Home / 1,247,710.60-1,870,337.10-616,721.80

Finding the Fourth Proportional to 1,247,710.60, 1,870,337.10 and 616,721.80

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Solution

The fourth proportional to 1,247,710.60, 1,870,337.10 and 616,721.80 is: 924,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,710.60 : 1,870,337.10 = 616,721.80 : x
  2. Step 2: Convert to fraction form
    1,247,710.60/1,870,337.10 = 616,721.80/x
  3. Step 3: Cross multiply
    1,247,710.60x = 1,870,337.10 × 616,721.80
  4. Step 4: Simplify right side
    1,247,710.60x = 1,153,477,662,918.78
  5. Step 5: Solve for x
    x = 1,153,477,662,918.78/1,247,710.60
  6. Step 6: Final answer
    x = 924,475.33

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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.