Home / 905,122.92-1,249,029.23-542,746.74

Finding the Fourth Proportional to 905,122.92, 1,249,029.23 and 542,746.74

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Solution

The fourth proportional to 905,122.92, 1,249,029.23 and 542,746.74 is: 748,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,122.92 : 1,249,029.23 = 542,746.74 : x
  2. Step 2: Convert to fraction form
    905,122.92/1,249,029.23 = 542,746.74/x
  3. Step 3: Cross multiply
    905,122.92x = 1,249,029.23 × 542,746.74
  4. Step 4: Simplify right side
    905,122.92x = 677,906,540,033.48
  5. Step 5: Solve for x
    x = 677,906,540,033.48/905,122.92
  6. Step 6: Final answer
    x = 748,966.27

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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.