Home / 430,167.53-645,337.43-240,897.06

Finding the Fourth Proportional to 430,167.53, 645,337.43 and 240,897.06

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Solution

The fourth proportional to 430,167.53, 645,337.43 and 240,897.06 is: 361,393.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,167.53 : 645,337.43 = 240,897.06 : x
  2. Step 2: Convert to fraction form
    430,167.53/645,337.43 = 240,897.06/x
  3. Step 3: Cross multiply
    430,167.53x = 645,337.43 × 240,897.06
  4. Step 4: Simplify right side
    430,167.53x = 155,459,888,390.47
  5. Step 5: Solve for x
    x = 155,459,888,390.47/430,167.53
  6. Step 6: Final answer
    x = 361,393.83

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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.