Home / 440,321.01-607,624.97-256,577.13

Finding the Fourth Proportional to 440,321.01, 607,624.97 and 256,577.13

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Solution

The fourth proportional to 440,321.01, 607,624.97 and 256,577.13 is: 354,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,321.01 : 607,624.97 = 256,577.13 : x
  2. Step 2: Convert to fraction form
    440,321.01/607,624.97 = 256,577.13/x
  3. Step 3: Cross multiply
    440,321.01x = 607,624.97 × 256,577.13
  4. Step 4: Simplify right side
    440,321.01x = 155,902,672,835.80
  5. Step 5: Solve for x
    x = 155,902,672,835.80/440,321.01
  6. Step 6: Final answer
    x = 354,065.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.