Home / 1,071,287.96-1,478,373.30-587,861.19

Finding the Fourth Proportional to 1,071,287.96, 1,478,373.30 and 587,861.19

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Solution

The fourth proportional to 1,071,287.96, 1,478,373.30 and 587,861.19 is: 811,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,287.96 : 1,478,373.30 = 587,861.19 : x
  2. Step 2: Convert to fraction form
    1,071,287.96/1,478,373.30 = 587,861.19/x
  3. Step 3: Cross multiply
    1,071,287.96x = 1,478,373.30 × 587,861.19
  4. Step 4: Simplify right side
    1,071,287.96x = 869,078,287,402.23
  5. Step 5: Solve for x
    x = 869,078,287,402.23/1,071,287.96
  6. Step 6: Final answer
    x = 811,246.20

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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.