Home / 440,123.92-607,277.58-258,769.66

Finding the Fourth Proportional to 440,123.92, 607,277.58 and 258,769.66

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Solution

The fourth proportional to 440,123.92, 607,277.58 and 258,769.66 is: 357,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,123.92 : 607,277.58 = 258,769.66 : x
  2. Step 2: Convert to fraction form
    440,123.92/607,277.58 = 258,769.66/x
  3. Step 3: Cross multiply
    440,123.92x = 607,277.58 × 258,769.66
  4. Step 4: Simplify right side
    440,123.92x = 157,145,012,902.22
  5. Step 5: Solve for x
    x = 157,145,012,902.22/440,123.92
  6. Step 6: Final answer
    x = 357,047.20

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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.