Home / 598,890.20-898,335.30-555,587.60

Finding the Fourth Proportional to 598,890.20, 898,335.30 and 555,587.60

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Solution

The fourth proportional to 598,890.20, 898,335.30 and 555,587.60 is: 833,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,890.20 : 898,335.30 = 555,587.60 : x
  2. Step 2: Convert to fraction form
    598,890.20/898,335.30 = 555,587.60/x
  3. Step 3: Cross multiply
    598,890.20x = 898,335.30 × 555,587.60
  4. Step 4: Simplify right side
    598,890.20x = 499,103,953,322.28
  5. Step 5: Solve for x
    x = 499,103,953,322.28/598,890.20
  6. Step 6: Final answer
    x = 833,381.40

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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.