Home / 1,001,101.61-1,381,513.12-542,205.60

Finding the Fourth Proportional to 1,001,101.61, 1,381,513.12 and 542,205.60

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Solution

The fourth proportional to 1,001,101.61, 1,381,513.12 and 542,205.60 is: 748,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,101.61 : 1,381,513.12 = 542,205.60 : x
  2. Step 2: Convert to fraction form
    1,001,101.61/1,381,513.12 = 542,205.60/x
  3. Step 3: Cross multiply
    1,001,101.61x = 1,381,513.12 × 542,205.60
  4. Step 4: Simplify right side
    1,001,101.61x = 749,064,148,781.96
  5. Step 5: Solve for x
    x = 749,064,148,781.96/1,001,101.61
  6. Step 6: Final answer
    x = 748,239.88

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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.