Home / 924,219.92-1,275,279.72-521,803.28

Finding the Fourth Proportional to 924,219.92, 1,275,279.72 and 521,803.28

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Solution

The fourth proportional to 924,219.92, 1,275,279.72 and 521,803.28 is: 720,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,219.92 : 1,275,279.72 = 521,803.28 : x
  2. Step 2: Convert to fraction form
    924,219.92/1,275,279.72 = 521,803.28/x
  3. Step 3: Cross multiply
    924,219.92x = 1,275,279.72 × 521,803.28
  4. Step 4: Simplify right side
    924,219.92x = 665,445,140,813.48
  5. Step 5: Solve for x
    x = 665,445,140,813.48/924,219.92
  6. Step 6: Final answer
    x = 720,007.36

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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.