Home / 739,551.60-1,109,327.40-710,521.20

Finding the Fourth Proportional to 739,551.60, 1,109,327.40 and 710,521.20

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Solution

The fourth proportional to 739,551.60, 1,109,327.40 and 710,521.20 is: 1,065,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,551.60 : 1,109,327.40 = 710,521.20 : x
  2. Step 2: Convert to fraction form
    739,551.60/1,109,327.40 = 710,521.20/x
  3. Step 3: Cross multiply
    739,551.60x = 1,109,327.40 × 710,521.20
  4. Step 4: Simplify right side
    739,551.60x = 788,200,635,440.88
  5. Step 5: Solve for x
    x = 788,200,635,440.88/739,551.60
  6. Step 6: Final answer
    x = 1,065,781.80

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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.