Home / 440,345.55-607,679.96-239,141.55

Finding the Fourth Proportional to 440,345.55, 607,679.96 and 239,141.55

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Solution

The fourth proportional to 440,345.55, 607,679.96 and 239,141.55 is: 330,017.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,345.55 : 607,679.96 = 239,141.55 : x
  2. Step 2: Convert to fraction form
    440,345.55/607,679.96 = 239,141.55/x
  3. Step 3: Cross multiply
    440,345.55x = 607,679.96 × 239,141.55
  4. Step 4: Simplify right side
    440,345.55x = 145,321,527,538.34
  5. Step 5: Solve for x
    x = 145,321,527,538.34/440,345.55
  6. Step 6: Final answer
    x = 330,017.02

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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.