Home / 681,641.60-1,022,462.40-232,869.20

Finding the Fourth Proportional to 681,641.60, 1,022,462.40 and 232,869.20

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Solution

The fourth proportional to 681,641.60, 1,022,462.40 and 232,869.20 is: 349,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,641.60 : 1,022,462.40 = 232,869.20 : x
  2. Step 2: Convert to fraction form
    681,641.60/1,022,462.40 = 232,869.20/x
  3. Step 3: Cross multiply
    681,641.60x = 1,022,462.40 × 232,869.20
  4. Step 4: Simplify right side
    681,641.60x = 238,100,001,118.08
  5. Step 5: Solve for x
    x = 238,100,001,118.08/681,641.60
  6. Step 6: Final answer
    x = 349,303.80

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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.