Home / 1,013,154.75-1,398,197.43-560,445.75

Finding the Fourth Proportional to 1,013,154.75, 1,398,197.43 and 560,445.75

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Solution

The fourth proportional to 1,013,154.75, 1,398,197.43 and 560,445.75 is: 773,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,154.75 : 1,398,197.43 = 560,445.75 : x
  2. Step 2: Convert to fraction form
    1,013,154.75/1,398,197.43 = 560,445.75/x
  3. Step 3: Cross multiply
    1,013,154.75x = 1,398,197.43 × 560,445.75
  4. Step 4: Simplify right side
    1,013,154.75x = 783,613,807,304.42
  5. Step 5: Solve for x
    x = 783,613,807,304.42/1,013,154.75
  6. Step 6: Final answer
    x = 773,439.41

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Double scale
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1.5x scale

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.