Home / 487,376.28-731,074.46-150,417.16

Finding the Fourth Proportional to 487,376.28, 731,074.46 and 150,417.16

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Solution

The fourth proportional to 487,376.28, 731,074.46 and 150,417.16 is: 225,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,376.28 : 731,074.46 = 150,417.16 : x
  2. Step 2: Convert to fraction form
    487,376.28/731,074.46 = 150,417.16/x
  3. Step 3: Cross multiply
    487,376.28x = 731,074.46 × 150,417.16
  4. Step 4: Simplify right side
    487,376.28x = 109,966,144,021.73
  5. Step 5: Solve for x
    x = 109,966,144,021.73/487,376.28
  6. Step 6: Final answer
    x = 225,628.84

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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.