Home / 805,337.53-1,111,385.41-442,768.43

Finding the Fourth Proportional to 805,337.53, 1,111,385.41 and 442,768.43

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Solution

The fourth proportional to 805,337.53, 1,111,385.41 and 442,768.43 is: 611,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,337.53 : 1,111,385.41 = 442,768.43 : x
  2. Step 2: Convert to fraction form
    805,337.53/1,111,385.41 = 442,768.43/x
  3. Step 3: Cross multiply
    805,337.53x = 1,111,385.41 × 442,768.43
  4. Step 4: Simplify right side
    805,337.53x = 492,086,374,782.15
  5. Step 5: Solve for x
    x = 492,086,374,782.15/805,337.53
  6. Step 6: Final answer
    x = 611,031.22

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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.