Home / 878,191.43-1,316,318.69-574,459.49

Finding the Fourth Proportional to 878,191.43, 1,316,318.69 and 574,459.49

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Solution

The fourth proportional to 878,191.43, 1,316,318.69 and 574,459.49 is: 861,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,191.43 : 1,316,318.69 = 574,459.49 : x
  2. Step 2: Convert to fraction form
    878,191.43/1,316,318.69 = 574,459.49/x
  3. Step 3: Cross multiply
    878,191.43x = 1,316,318.69 × 574,459.49
  4. Step 4: Simplify right side
    878,191.43x = 756,171,768,061.81
  5. Step 5: Solve for x
    x = 756,171,768,061.81/878,191.43
  6. Step 6: Final answer
    x = 861,055.74

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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.