Home / 598,928.80-898,393.20-386,352.40

Finding the Fourth Proportional to 598,928.80, 898,393.20 and 386,352.40

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Solution

The fourth proportional to 598,928.80, 898,393.20 and 386,352.40 is: 579,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,928.80 : 898,393.20 = 386,352.40 : x
  2. Step 2: Convert to fraction form
    598,928.80/898,393.20 = 386,352.40/x
  3. Step 3: Cross multiply
    598,928.80x = 898,393.20 × 386,352.40
  4. Step 4: Simplify right side
    598,928.80x = 347,096,368,963.68
  5. Step 5: Solve for x
    x = 347,096,368,963.68/598,928.80
  6. Step 6: Final answer
    x = 579,528.60

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Half scale
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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.