Home / 649,590.57-895,990.19-423,542.25

Finding the Fourth Proportional to 649,590.57, 895,990.19 and 423,542.25

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Solution

The fourth proportional to 649,590.57, 895,990.19 and 423,542.25 is: 584,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,590.57 : 895,990.19 = 423,542.25 : x
  2. Step 2: Convert to fraction form
    649,590.57/895,990.19 = 423,542.25/x
  3. Step 3: Cross multiply
    649,590.57x = 895,990.19 × 423,542.25
  4. Step 4: Simplify right side
    649,590.57x = 379,489,701,050.53
  5. Step 5: Solve for x
    x = 379,489,701,050.53/649,590.57
  6. Step 6: Final answer
    x = 584,198.29

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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.