Home / 897,416.20-1,346,124.30-519,502.60

Finding the Fourth Proportional to 897,416.20, 1,346,124.30 and 519,502.60

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Solution

The fourth proportional to 897,416.20, 1,346,124.30 and 519,502.60 is: 779,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,416.20 : 1,346,124.30 = 519,502.60 : x
  2. Step 2: Convert to fraction form
    897,416.20/1,346,124.30 = 519,502.60/x
  3. Step 3: Cross multiply
    897,416.20x = 1,346,124.30 × 519,502.60
  4. Step 4: Simplify right side
    897,416.20x = 699,315,073,773.18
  5. Step 5: Solve for x
    x = 699,315,073,773.18/897,416.20
  6. Step 6: Final answer
    x = 779,253.90

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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.