Home / 598,831.20-898,246.80-396,752.40

Finding the Fourth Proportional to 598,831.20, 898,246.80 and 396,752.40

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Solution

The fourth proportional to 598,831.20, 898,246.80 and 396,752.40 is: 595,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,831.20 : 898,246.80 = 396,752.40 : x
  2. Step 2: Convert to fraction form
    598,831.20/898,246.80 = 396,752.40/x
  3. Step 3: Cross multiply
    598,831.20x = 898,246.80 × 396,752.40
  4. Step 4: Simplify right side
    598,831.20x = 356,381,573,692.32
  5. Step 5: Solve for x
    x = 356,381,573,692.32/598,831.20
  6. Step 6: Final answer
    x = 595,128.60

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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.