Home / 619,079.10-928,618.65-406,502.70

Finding the Fourth Proportional to 619,079.10, 928,618.65 and 406,502.70

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Solution

The fourth proportional to 619,079.10, 928,618.65 and 406,502.70 is: 609,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,079.10 : 928,618.65 = 406,502.70 : x
  2. Step 2: Convert to fraction form
    619,079.10/928,618.65 = 406,502.70/x
  3. Step 3: Cross multiply
    619,079.10x = 928,618.65 × 406,502.70
  4. Step 4: Simplify right side
    619,079.10x = 377,485,988,495.36
  5. Step 5: Solve for x
    x = 377,485,988,495.36/619,079.10
  6. Step 6: Final answer
    x = 609,754.05

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Similar ratio
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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.