Home / 656,784.40-985,176.60-236,102.80

Finding the Fourth Proportional to 656,784.40, 985,176.60 and 236,102.80

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Solution

The fourth proportional to 656,784.40, 985,176.60 and 236,102.80 is: 354,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,784.40 : 985,176.60 = 236,102.80 : x
  2. Step 2: Convert to fraction form
    656,784.40/985,176.60 = 236,102.80/x
  3. Step 3: Cross multiply
    656,784.40x = 985,176.60 × 236,102.80
  4. Step 4: Simplify right side
    656,784.40x = 232,602,953,754.48
  5. Step 5: Solve for x
    x = 232,602,953,754.48/656,784.40
  6. Step 6: Final answer
    x = 354,154.20

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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.