Home / 628,677.08-943,016.40-155,355.20

Finding the Fourth Proportional to 628,677.08, 943,016.40 and 155,355.20

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Solution

The fourth proportional to 628,677.08, 943,016.40 and 155,355.20 is: 233,032.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,677.08 : 943,016.40 = 155,355.20 : x
  2. Step 2: Convert to fraction form
    628,677.08/943,016.40 = 155,355.20/x
  3. Step 3: Cross multiply
    628,677.08x = 943,016.40 × 155,355.20
  4. Step 4: Simplify right side
    628,677.08x = 146,502,501,425.28
  5. Step 5: Solve for x
    x = 146,502,501,425.28/628,677.08
  6. Step 6: Final answer
    x = 233,032.99

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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.