Home / 589,079.10-883,618.65-508,899.90

Finding the Fourth Proportional to 589,079.10, 883,618.65 and 508,899.90

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Solution

The fourth proportional to 589,079.10, 883,618.65 and 508,899.90 is: 763,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,079.10 : 883,618.65 = 508,899.90 : x
  2. Step 2: Convert to fraction form
    589,079.10/883,618.65 = 508,899.90/x
  3. Step 3: Cross multiply
    589,079.10x = 883,618.65 × 508,899.90
  4. Step 4: Simplify right side
    589,079.10x = 449,673,442,623.14
  5. Step 5: Solve for x
    x = 449,673,442,623.14/589,079.10
  6. Step 6: Final answer
    x = 763,349.85

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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.