Home / 623,904.40-935,856.60-203,222.80

Finding the Fourth Proportional to 623,904.40, 935,856.60 and 203,222.80

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Solution

The fourth proportional to 623,904.40, 935,856.60 and 203,222.80 is: 304,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,904.40 : 935,856.60 = 203,222.80 : x
  2. Step 2: Convert to fraction form
    623,904.40/935,856.60 = 203,222.80/x
  3. Step 3: Cross multiply
    623,904.40x = 935,856.60 × 203,222.80
  4. Step 4: Simplify right side
    623,904.40x = 190,187,398,650.48
  5. Step 5: Solve for x
    x = 190,187,398,650.48/623,904.40
  6. Step 6: Final answer
    x = 304,834.20

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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.