Home / 591,938.40-887,907.60-546,319.20

Finding the Fourth Proportional to 591,938.40, 887,907.60 and 546,319.20

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Solution

The fourth proportional to 591,938.40, 887,907.60 and 546,319.20 is: 819,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,938.40 : 887,907.60 = 546,319.20 : x
  2. Step 2: Convert to fraction form
    591,938.40/887,907.60 = 546,319.20/x
  3. Step 3: Cross multiply
    591,938.40x = 887,907.60 × 546,319.20
  4. Step 4: Simplify right side
    591,938.40x = 485,080,969,705.92
  5. Step 5: Solve for x
    x = 485,080,969,705.92/591,938.40
  6. Step 6: Final answer
    x = 819,478.80

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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.