Home / 775,604.84-1,070,077.38-632,118.20

Finding the Fourth Proportional to 775,604.84, 1,070,077.38 and 632,118.20

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Solution

The fourth proportional to 775,604.84, 1,070,077.38 and 632,118.20 is: 872,113.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,604.84 : 1,070,077.38 = 632,118.20 : x
  2. Step 2: Convert to fraction form
    775,604.84/1,070,077.38 = 632,118.20/x
  3. Step 3: Cross multiply
    775,604.84x = 1,070,077.38 × 632,118.20
  4. Step 4: Simplify right side
    775,604.84x = 676,415,387,306.32
  5. Step 5: Solve for x
    x = 676,415,387,306.32/775,604.84
  6. Step 6: Final answer
    x = 872,113.42

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Double scale
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1.5x scale

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.