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Finding the Fourth Proportional to 974,782.92, 1,342,209.78 and 853,244.04

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Solution

The fourth proportional to 974,782.92, 1,342,209.78 and 853,244.04 is: 1,174,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,782.92 : 1,342,209.78 = 853,244.04 : x
  2. Step 2: Convert to fraction form
    974,782.92/1,342,209.78 = 853,244.04/x
  3. Step 3: Cross multiply
    974,782.92x = 1,342,209.78 × 853,244.04
  4. Step 4: Simplify right side
    974,782.92x = 1,145,232,495,214.71
  5. Step 5: Solve for x
    x = 1,145,232,495,214.71/974,782.92
  6. Step 6: Final answer
    x = 1,174,859.01

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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.