Home / 627,897.40-941,846.10-576,287.80

Finding the Fourth Proportional to 627,897.40, 941,846.10 and 576,287.80

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Solution

The fourth proportional to 627,897.40, 941,846.10 and 576,287.80 is: 864,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,897.40 : 941,846.10 = 576,287.80 : x
  2. Step 2: Convert to fraction form
    627,897.40/941,846.10 = 576,287.80/x
  3. Step 3: Cross multiply
    627,897.40x = 941,846.10 × 576,287.80
  4. Step 4: Simplify right side
    627,897.40x = 542,774,416,907.58
  5. Step 5: Solve for x
    x = 542,774,416,907.58/627,897.40
  6. Step 6: Final answer
    x = 864,431.70

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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.