Home / 598,721.20-898,081.80-533,767.30

Finding the Fourth Proportional to 598,721.20, 898,081.80 and 533,767.30

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Solution

The fourth proportional to 598,721.20, 898,081.80 and 533,767.30 is: 800,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,721.20 : 898,081.80 = 533,767.30 : x
  2. Step 2: Convert to fraction form
    598,721.20/898,081.80 = 533,767.30/x
  3. Step 3: Cross multiply
    598,721.20x = 898,081.80 × 533,767.30
  4. Step 4: Simplify right side
    598,721.20x = 479,366,697,565.14
  5. Step 5: Solve for x
    x = 479,366,697,565.14/598,721.20
  6. Step 6: Final answer
    x = 800,650.95

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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.