Home / 598,721.40-898,082.10-374,335.20

Finding the Fourth Proportional to 598,721.40, 898,082.10 and 374,335.20

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Solution

The fourth proportional to 598,721.40, 898,082.10 and 374,335.20 is: 561,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,721.40 : 898,082.10 = 374,335.20 : x
  2. Step 2: Convert to fraction form
    598,721.40/898,082.10 = 374,335.20/x
  3. Step 3: Cross multiply
    598,721.40x = 898,082.10 × 374,335.20
  4. Step 4: Simplify right side
    598,721.40x = 336,183,742,519.92
  5. Step 5: Solve for x
    x = 336,183,742,519.92/598,721.40
  6. Step 6: Final answer
    x = 561,502.80

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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.