Home / 885,342.34-1,221,757.99-503,360.92

Finding the Fourth Proportional to 885,342.34, 1,221,757.99 and 503,360.92

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Solution

The fourth proportional to 885,342.34, 1,221,757.99 and 503,360.92 is: 694,629.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,342.34 : 1,221,757.99 = 503,360.92 : x
  2. Step 2: Convert to fraction form
    885,342.34/1,221,757.99 = 503,360.92/x
  3. Step 3: Cross multiply
    885,342.34x = 1,221,757.99 × 503,360.92
  4. Step 4: Simplify right side
    885,342.34x = 614,985,225,863.75
  5. Step 5: Solve for x
    x = 614,985,225,863.75/885,342.34
  6. Step 6: Final answer
    x = 694,629.86

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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.