Home / 440,383.17-607,731.89-239,179.17

Finding the Fourth Proportional to 440,383.17, 607,731.89 and 239,179.17

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Solution

The fourth proportional to 440,383.17, 607,731.89 and 239,179.17 is: 330,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,383.17 : 607,731.89 = 239,179.17 : x
  2. Step 2: Convert to fraction form
    440,383.17/607,731.89 = 239,179.17/x
  3. Step 3: Cross multiply
    440,383.17x = 607,731.89 × 239,179.17
  4. Step 4: Simplify right side
    440,383.17x = 145,356,807,836.84
  5. Step 5: Solve for x
    x = 145,356,807,836.84/440,383.17
  6. Step 6: Final answer
    x = 330,068.94

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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.