Home / 912,243.15-1,258,686.77-544,648.88

Finding the Fourth Proportional to 912,243.15, 1,258,686.77 and 544,648.88

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Solution

The fourth proportional to 912,243.15, 1,258,686.77 and 544,648.88 is: 751,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,243.15 : 1,258,686.77 = 544,648.88 : x
  2. Step 2: Convert to fraction form
    912,243.15/1,258,686.77 = 544,648.88/x
  3. Step 3: Cross multiply
    912,243.15x = 1,258,686.77 × 544,648.88
  4. Step 4: Simplify right side
    912,243.15x = 685,542,339,974.79
  5. Step 5: Solve for x
    x = 685,542,339,974.79/912,243.15
  6. Step 6: Final answer
    x = 751,490.81

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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.