Home / 859,195.03-1,289,324.75-499,535.13

Finding the Fourth Proportional to 859,195.03, 1,289,324.75 and 499,535.13

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Solution

The fourth proportional to 859,195.03, 1,289,324.75 and 499,535.13 is: 749,612.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,195.03 : 1,289,324.75 = 499,535.13 : x
  2. Step 2: Convert to fraction form
    859,195.03/1,289,324.75 = 499,535.13/x
  3. Step 3: Cross multiply
    859,195.03x = 1,289,324.75 × 499,535.13
  4. Step 4: Simplify right side
    859,195.03x = 644,063,006,603.47
  5. Step 5: Solve for x
    x = 644,063,006,603.47/859,195.03
  6. Step 6: Final answer
    x = 749,612.12

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Double scale
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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.