Home / 834,045.60-1,250,776.80-434,553.60

Finding the Fourth Proportional to 834,045.60, 1,250,776.80 and 434,553.60

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Solution

The fourth proportional to 834,045.60, 1,250,776.80 and 434,553.60 is: 651,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,045.60 : 1,250,776.80 = 434,553.60 : x
  2. Step 2: Convert to fraction form
    834,045.60/1,250,776.80 = 434,553.60/x
  3. Step 3: Cross multiply
    834,045.60x = 1,250,776.80 × 434,553.60
  4. Step 4: Simplify right side
    834,045.60x = 543,529,561,236.48
  5. Step 5: Solve for x
    x = 543,529,561,236.48/834,045.60
  6. Step 6: Final answer
    x = 651,678.47

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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.