Home / 897,432.40-1,344,334.20-559,435.60

Finding the Fourth Proportional to 897,432.40, 1,344,334.20 and 559,435.60

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Solution

The fourth proportional to 897,432.40, 1,344,334.20 and 559,435.60 is: 838,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,432.40 : 1,344,334.20 = 559,435.60 : x
  2. Step 2: Convert to fraction form
    897,432.40/1,344,334.20 = 559,435.60/x
  3. Step 3: Cross multiply
    897,432.40x = 1,344,334.20 × 559,435.60
  4. Step 4: Simplify right side
    897,432.40x = 752,068,409,777.52
  5. Step 5: Solve for x
    x = 752,068,409,777.52/897,432.40
  6. Step 6: Final answer
    x = 838,022.35

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Double scale
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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.