Home / 651,623.20-977,434.80-230,941.60

Finding the Fourth Proportional to 651,623.20, 977,434.80 and 230,941.60

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Solution

The fourth proportional to 651,623.20, 977,434.80 and 230,941.60 is: 346,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,623.20 : 977,434.80 = 230,941.60 : x
  2. Step 2: Convert to fraction form
    651,623.20/977,434.80 = 230,941.60/x
  3. Step 3: Cross multiply
    651,623.20x = 977,434.80 × 230,941.60
  4. Step 4: Simplify right side
    651,623.20x = 225,730,356,607.68
  5. Step 5: Solve for x
    x = 225,730,356,607.68/651,623.20
  6. Step 6: Final answer
    x = 346,412.40

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Double scale
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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.