Home / 885,253.89-1,221,730.83-503,279.76

Finding the Fourth Proportional to 885,253.89, 1,221,730.83 and 503,279.76

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Solution

The fourth proportional to 885,253.89, 1,221,730.83 and 503,279.76 is: 694,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,253.89 : 1,221,730.83 = 503,279.76 : x
  2. Step 2: Convert to fraction form
    885,253.89/1,221,730.83 = 503,279.76/x
  3. Step 3: Cross multiply
    885,253.89x = 1,221,730.83 × 503,279.76
  4. Step 4: Simplify right side
    885,253.89x = 614,872,398,907.00
  5. Step 5: Solve for x
    x = 614,872,398,907.00/885,253.89
  6. Step 6: Final answer
    x = 694,571.81

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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.