Home / 623,975.28-861,085.96-337,495.38

Finding the Fourth Proportional to 623,975.28, 861,085.96 and 337,495.38

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Solution

The fourth proportional to 623,975.28, 861,085.96 and 337,495.38 is: 465,743.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,975.28 : 861,085.96 = 337,495.38 : x
  2. Step 2: Convert to fraction form
    623,975.28/861,085.96 = 337,495.38/x
  3. Step 3: Cross multiply
    623,975.28x = 861,085.96 × 337,495.38
  4. Step 4: Simplify right side
    623,975.28x = 290,612,533,282.87
  5. Step 5: Solve for x
    x = 290,612,533,282.87/623,975.28
  6. Step 6: Final answer
    x = 465,743.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.