Home / 845,472.92-1,166,223.20-555,099.46

Finding the Fourth Proportional to 845,472.92, 1,166,223.20 and 555,099.46

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Solution

The fourth proportional to 845,472.92, 1,166,223.20 and 555,099.46 is: 765,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,472.92 : 1,166,223.20 = 555,099.46 : x
  2. Step 2: Convert to fraction form
    845,472.92/1,166,223.20 = 555,099.46/x
  3. Step 3: Cross multiply
    845,472.92x = 1,166,223.20 × 555,099.46
  4. Step 4: Simplify right side
    845,472.92x = 647,369,868,559.47
  5. Step 5: Solve for x
    x = 647,369,868,559.47/845,472.92
  6. Step 6: Final answer
    x = 765,689.66

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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.