Home / 880,023.33-1,214,331.71-492,784.92

Finding the Fourth Proportional to 880,023.33, 1,214,331.71 and 492,784.92

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Solution

The fourth proportional to 880,023.33, 1,214,331.71 and 492,784.92 is: 679,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,023.33 : 1,214,331.71 = 492,784.92 : x
  2. Step 2: Convert to fraction form
    880,023.33/1,214,331.71 = 492,784.92/x
  3. Step 3: Cross multiply
    880,023.33x = 1,214,331.71 × 492,784.92
  4. Step 4: Simplify right side
    880,023.33x = 598,404,352,101.89
  5. Step 5: Solve for x
    x = 598,404,352,101.89/880,023.33
  6. Step 6: Final answer
    x = 679,986.92

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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.