Home / 805,016.45-1,110,460.14-502,685.57

Finding the Fourth Proportional to 805,016.45, 1,110,460.14 and 502,685.57

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Solution

The fourth proportional to 805,016.45, 1,110,460.14 and 502,685.57 is: 693,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,016.45 : 1,110,460.14 = 502,685.57 : x
  2. Step 2: Convert to fraction form
    805,016.45/1,110,460.14 = 502,685.57/x
  3. Step 3: Cross multiply
    805,016.45x = 1,110,460.14 × 502,685.57
  4. Step 4: Simplify right side
    805,016.45x = 558,212,291,214.33
  5. Step 5: Solve for x
    x = 558,212,291,214.33/805,016.45
  6. Step 6: Final answer
    x = 693,417.25

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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.