Home / 885,437.44-1,221,809.45-498,246.11

Finding the Fourth Proportional to 885,437.44, 1,221,809.45 and 498,246.11

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Solution

The fourth proportional to 885,437.44, 1,221,809.45 and 498,246.11 is: 687,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,437.44 : 1,221,809.45 = 498,246.11 : x
  2. Step 2: Convert to fraction form
    885,437.44/1,221,809.45 = 498,246.11/x
  3. Step 3: Cross multiply
    885,437.44x = 1,221,809.45 × 498,246.11
  4. Step 4: Simplify right side
    885,437.44x = 608,761,805,623.74
  5. Step 5: Solve for x
    x = 608,761,805,623.74/885,437.44
  6. Step 6: Final answer
    x = 687,526.61

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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.