Home / 885,991.89-1,222,159.28-559,188.73

Finding the Fourth Proportional to 885,991.89, 1,222,159.28 and 559,188.73

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Solution

The fourth proportional to 885,991.89, 1,222,159.28 and 559,188.73 is: 771,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,991.89 : 1,222,159.28 = 559,188.73 : x
  2. Step 2: Convert to fraction form
    885,991.89/1,222,159.28 = 559,188.73/x
  3. Step 3: Cross multiply
    885,991.89x = 1,222,159.28 × 559,188.73
  4. Step 4: Simplify right side
    885,991.89x = 683,417,695,640.91
  5. Step 5: Solve for x
    x = 683,417,695,640.91/885,991.89
  6. Step 6: Final answer
    x = 771,358.86

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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.