Home / 578,776.16-868,291.10-194,511.24

Finding the Fourth Proportional to 578,776.16, 868,291.10 and 194,511.24

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Solution

The fourth proportional to 578,776.16, 868,291.10 and 194,511.24 is: 291,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,776.16 : 868,291.10 = 194,511.24 : x
  2. Step 2: Convert to fraction form
    578,776.16/868,291.10 = 194,511.24/x
  3. Step 3: Cross multiply
    578,776.16x = 868,291.10 × 194,511.24
  4. Step 4: Simplify right side
    578,776.16x = 168,892,377,569.41
  5. Step 5: Solve for x
    x = 168,892,377,569.41/578,776.16
  6. Step 6: Final answer
    x = 291,809.50

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Double scale
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Similar ratio
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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.