Home / 532,631.30-735,047.26-290,926.89

Finding the Fourth Proportional to 532,631.30, 735,047.26 and 290,926.89

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Solution

The fourth proportional to 532,631.30, 735,047.26 and 290,926.89 is: 401,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,631.30 : 735,047.26 = 290,926.89 : x
  2. Step 2: Convert to fraction form
    532,631.30/735,047.26 = 290,926.89/x
  3. Step 3: Cross multiply
    532,631.30x = 735,047.26 × 290,926.89
  4. Step 4: Simplify right side
    532,631.30x = 213,845,012,627.50
  5. Step 5: Solve for x
    x = 213,845,012,627.50/532,631.30
  6. Step 6: Final answer
    x = 401,487.89

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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.