Home / 487,518.51-731,167.04-234,669.88

Finding the Fourth Proportional to 487,518.51, 731,167.04 and 234,669.88

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Solution

The fourth proportional to 487,518.51, 731,167.04 and 234,669.88 is: 351,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,518.51 : 731,167.04 = 234,669.88 : x
  2. Step 2: Convert to fraction form
    487,518.51/731,167.04 = 234,669.88/x
  3. Step 3: Cross multiply
    487,518.51x = 731,167.04 × 234,669.88
  4. Step 4: Simplify right side
    487,518.51x = 171,582,880,295.51
  5. Step 5: Solve for x
    x = 171,582,880,295.51/487,518.51
  6. Step 6: Final answer
    x = 351,951.52

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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.