Home / 885,301.68-1,221,633.88-503,253.68

Finding the Fourth Proportional to 885,301.68, 1,221,633.88 and 503,253.68

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Solution

The fourth proportional to 885,301.68, 1,221,633.88 and 503,253.68 is: 694,443.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,301.68 : 1,221,633.88 = 503,253.68 : x
  2. Step 2: Convert to fraction form
    885,301.68/1,221,633.88 = 503,253.68/x
  3. Step 3: Cross multiply
    885,301.68x = 1,221,633.88 × 503,253.68
  4. Step 4: Simplify right side
    885,301.68x = 614,791,745,722.68
  5. Step 5: Solve for x
    x = 614,791,745,722.68/885,301.68
  6. Step 6: Final answer
    x = 694,443.22

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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.