Home / 912,746.92-1,259,205.06-611,038.12

Finding the Fourth Proportional to 912,746.92, 1,259,205.06 and 611,038.12

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Solution

The fourth proportional to 912,746.92, 1,259,205.06 and 611,038.12 is: 842,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,746.92 : 1,259,205.06 = 611,038.12 : x
  2. Step 2: Convert to fraction form
    912,746.92/1,259,205.06 = 611,038.12/x
  3. Step 3: Cross multiply
    912,746.92x = 1,259,205.06 × 611,038.12
  4. Step 4: Simplify right side
    912,746.92x = 769,422,292,556.89
  5. Step 5: Solve for x
    x = 769,422,292,556.89/912,746.92
  6. Step 6: Final answer
    x = 842,974.41

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Double scale
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Similar ratio
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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.