Home / 819,787.60-1,229,681.40-594,089.20

Finding the Fourth Proportional to 819,787.60, 1,229,681.40 and 594,089.20

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Solution

The fourth proportional to 819,787.60, 1,229,681.40 and 594,089.20 is: 891,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,787.60 : 1,229,681.40 = 594,089.20 : x
  2. Step 2: Convert to fraction form
    819,787.60/1,229,681.40 = 594,089.20/x
  3. Step 3: Cross multiply
    819,787.60x = 1,229,681.40 × 594,089.20
  4. Step 4: Simplify right side
    819,787.60x = 730,540,439,180.88
  5. Step 5: Solve for x
    x = 730,540,439,180.88/819,787.60
  6. Step 6: Final answer
    x = 891,133.80

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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.