Home / 868,137.08-1,198,001.34-480,936.69

Finding the Fourth Proportional to 868,137.08, 1,198,001.34 and 480,936.69

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Solution

The fourth proportional to 868,137.08, 1,198,001.34 and 480,936.69 is: 663,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,137.08 : 1,198,001.34 = 480,936.69 : x
  2. Step 2: Convert to fraction form
    868,137.08/1,198,001.34 = 480,936.69/x
  3. Step 3: Cross multiply
    868,137.08x = 1,198,001.34 × 480,936.69
  4. Step 4: Simplify right side
    868,137.08x = 576,162,799,075.17
  5. Step 5: Solve for x
    x = 576,162,799,075.17/868,137.08
  6. Step 6: Final answer
    x = 663,677.22

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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.