Home / 914,059.20-1,371,477.60-440,500.80

Finding the Fourth Proportional to 914,059.20, 1,371,477.60 and 440,500.80

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Solution

The fourth proportional to 914,059.20, 1,371,477.60 and 440,500.80 is: 660,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,059.20 : 1,371,477.60 = 440,500.80 : x
  2. Step 2: Convert to fraction form
    914,059.20/1,371,477.60 = 440,500.80/x
  3. Step 3: Cross multiply
    914,059.20x = 1,371,477.60 × 440,500.80
  4. Step 4: Simplify right side
    914,059.20x = 604,136,979,982.08
  5. Step 5: Solve for x
    x = 604,136,979,982.08/914,059.20
  6. Step 6: Final answer
    x = 660,938.57

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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.