Home / 805,016.45-1,110,460.11-502,685.57

Finding the Fourth Proportional to 805,016.45, 1,110,460.11 and 502,685.57

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Solution

The fourth proportional to 805,016.45, 1,110,460.11 and 502,685.57 is: 693,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,016.45 : 1,110,460.11 = 502,685.57 : x
  2. Step 2: Convert to fraction form
    805,016.45/1,110,460.11 = 502,685.57/x
  3. Step 3: Cross multiply
    805,016.45x = 1,110,460.11 × 502,685.57
  4. Step 4: Simplify right side
    805,016.45x = 558,212,273,357.61
  5. Step 5: Solve for x
    x = 558,212,273,357.61/805,016.45
  6. Step 6: Final answer
    x = 693,417.23

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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.