Home / 651,490.80-977,236.20-558,178.80

Finding the Fourth Proportional to 651,490.80, 977,236.20 and 558,178.80

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Solution

The fourth proportional to 651,490.80, 977,236.20 and 558,178.80 is: 837,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,490.80 : 977,236.20 = 558,178.80 : x
  2. Step 2: Convert to fraction form
    651,490.80/977,236.20 = 558,178.80/x
  3. Step 3: Cross multiply
    651,490.80x = 977,236.20 × 558,178.80
  4. Step 4: Simplify right side
    651,490.80x = 545,472,529,432.56
  5. Step 5: Solve for x
    x = 545,472,529,432.56/651,490.80
  6. Step 6: Final answer
    x = 837,268.20

Related Problems

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Half scale
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Double scale
Find fourth proportional to 651,491.80, 977,237.70 and 558,179.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.