Home / 762,143.01-1,051,681.55-439,956.90

Finding the Fourth Proportional to 762,143.01, 1,051,681.55 and 439,956.90

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Solution

The fourth proportional to 762,143.01, 1,051,681.55 and 439,956.90 is: 607,096.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,143.01 : 1,051,681.55 = 439,956.90 : x
  2. Step 2: Convert to fraction form
    762,143.01/1,051,681.55 = 439,956.90/x
  3. Step 3: Cross multiply
    762,143.01x = 1,051,681.55 × 439,956.90
  4. Step 4: Simplify right side
    762,143.01x = 462,694,553,975.25
  5. Step 5: Solve for x
    x = 462,694,553,975.25/762,143.01
  6. Step 6: Final answer
    x = 607,096.77

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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.