Home / 440,631.84-660,946.40-125,088.96

Finding the Fourth Proportional to 440,631.84, 660,946.40 and 125,088.96

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Solution

The fourth proportional to 440,631.84, 660,946.40 and 125,088.96 is: 187,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,631.84 : 660,946.40 = 125,088.96 : x
  2. Step 2: Convert to fraction form
    440,631.84/660,946.40 = 125,088.96/x
  3. Step 3: Cross multiply
    440,631.84x = 660,946.40 × 125,088.96
  4. Step 4: Simplify right side
    440,631.84x = 82,677,097,791.74
  5. Step 5: Solve for x
    x = 82,677,097,791.74/440,631.84
  6. Step 6: Final answer
    x = 187,633.05

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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.