Home / 451,631.61-623,279.16-260,657.28

Finding the Fourth Proportional to 451,631.61, 623,279.16 and 260,657.28

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Solution

The fourth proportional to 451,631.61, 623,279.16 and 260,657.28 is: 359,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,631.61 : 623,279.16 = 260,657.28 : x
  2. Step 2: Convert to fraction form
    451,631.61/623,279.16 = 260,657.28/x
  3. Step 3: Cross multiply
    451,631.61x = 623,279.16 × 260,657.28
  4. Step 4: Simplify right side
    451,631.61x = 162,462,250,526.29
  5. Step 5: Solve for x
    x = 162,462,250,526.29/451,631.61
  6. Step 6: Final answer
    x = 359,722.94

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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.