Home / 440,123.10-607,307.67-249,125.10

Finding the Fourth Proportional to 440,123.10, 607,307.67 and 249,125.10

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Solution

The fourth proportional to 440,123.10, 607,307.67 and 249,125.10 is: 343,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,123.10 : 607,307.67 = 249,125.10 : x
  2. Step 2: Convert to fraction form
    440,123.10/607,307.67 = 249,125.10/x
  3. Step 3: Cross multiply
    440,123.10x = 607,307.67 × 249,125.10
  4. Step 4: Simplify right side
    440,123.10x = 151,295,584,019.52
  5. Step 5: Solve for x
    x = 151,295,584,019.52/440,123.10
  6. Step 6: Final answer
    x = 343,757.43

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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.