Home / 487,515.34-731,321.70-183,832.66

Finding the Fourth Proportional to 487,515.34, 731,321.70 and 183,832.66

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Solution

The fourth proportional to 487,515.34, 731,321.70 and 183,832.66 is: 275,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,515.34 : 731,321.70 = 183,832.66 : x
  2. Step 2: Convert to fraction form
    487,515.34/731,321.70 = 183,832.66/x
  3. Step 3: Cross multiply
    487,515.34x = 731,321.70 × 183,832.66
  4. Step 4: Simplify right side
    487,515.34x = 134,440,813,426.72
  5. Step 5: Solve for x
    x = 134,440,813,426.72/487,515.34
  6. Step 6: Final answer
    x = 275,767.35

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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.