Home / 885,784.73-1,326,679.49-411,471.95

Finding the Fourth Proportional to 885,784.73, 1,326,679.49 and 411,471.95

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Solution

The fourth proportional to 885,784.73, 1,326,679.49 and 411,471.95 is: 616,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,784.73 : 1,326,679.49 = 411,471.95 : x
  2. Step 2: Convert to fraction form
    885,784.73/1,326,679.49 = 411,471.95/x
  3. Step 3: Cross multiply
    885,784.73x = 1,326,679.49 × 411,471.95
  4. Step 4: Simplify right side
    885,784.73x = 545,891,396,775.31
  5. Step 5: Solve for x
    x = 545,891,396,775.31/885,784.73
  6. Step 6: Final answer
    x = 616,279.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.