Home / 762,243.62-1,051,880.45-471,778.11

Finding the Fourth Proportional to 762,243.62, 1,051,880.45 and 471,778.11

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Solution

The fourth proportional to 762,243.62, 1,051,880.45 and 471,778.11 is: 651,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,243.62 : 1,051,880.45 = 471,778.11 : x
  2. Step 2: Convert to fraction form
    762,243.62/1,051,880.45 = 471,778.11/x
  3. Step 3: Cross multiply
    762,243.62x = 1,051,880.45 × 471,778.11
  4. Step 4: Simplify right side
    762,243.62x = 496,254,168,288.06
  5. Step 5: Solve for x
    x = 496,254,168,288.06/762,243.62
  6. Step 6: Final answer
    x = 651,044.05

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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.