Home / 628,680.08-943,020.90-155,358.20

Finding the Fourth Proportional to 628,680.08, 943,020.90 and 155,358.20

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Solution

The fourth proportional to 628,680.08, 943,020.90 and 155,358.20 is: 233,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,680.08 : 943,020.90 = 155,358.20 : x
  2. Step 2: Convert to fraction form
    628,680.08/943,020.90 = 155,358.20/x
  3. Step 3: Cross multiply
    628,680.08x = 943,020.90 × 155,358.20
  4. Step 4: Simplify right side
    628,680.08x = 146,506,029,586.38
  5. Step 5: Solve for x
    x = 146,506,029,586.38/628,680.08
  6. Step 6: Final answer
    x = 233,037.49

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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.