Home / 885,081.33-1,221,401.03-503,083.17

Finding the Fourth Proportional to 885,081.33, 1,221,401.03 and 503,083.17

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Solution

The fourth proportional to 885,081.33, 1,221,401.03 and 503,083.17 is: 694,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,081.33 : 1,221,401.03 = 503,083.17 : x
  2. Step 2: Convert to fraction form
    885,081.33/1,221,401.03 = 503,083.17/x
  3. Step 3: Cross multiply
    885,081.33x = 1,221,401.03 × 503,083.17
  4. Step 4: Simplify right side
    885,081.33x = 614,466,299,498.25
  5. Step 5: Solve for x
    x = 614,466,299,498.25/885,081.33
  6. Step 6: Final answer
    x = 694,248.40

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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.