Home / 1,101,363.24-1,652,044.95-391,419.30

Finding the Fourth Proportional to 1,101,363.24, 1,652,044.95 and 391,419.30

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Solution

The fourth proportional to 1,101,363.24, 1,652,044.95 and 391,419.30 is: 587,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,363.24 : 1,652,044.95 = 391,419.30 : x
  2. Step 2: Convert to fraction form
    1,101,363.24/1,652,044.95 = 391,419.30/x
  3. Step 3: Cross multiply
    1,101,363.24x = 1,652,044.95 × 391,419.30
  4. Step 4: Simplify right side
    1,101,363.24x = 646,642,277,897.54
  5. Step 5: Solve for x
    x = 646,642,277,897.54/1,101,363.24
  6. Step 6: Final answer
    x = 587,128.98

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1.5x scale

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.