Home / 912,747.17-1,259,205.40-611,038.37

Finding the Fourth Proportional to 912,747.17, 1,259,205.40 and 611,038.37

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Solution

The fourth proportional to 912,747.17, 1,259,205.40 and 611,038.37 is: 842,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,747.17 : 1,259,205.40 = 611,038.37 : x
  2. Step 2: Convert to fraction form
    912,747.17/1,259,205.40 = 611,038.37/x
  3. Step 3: Cross multiply
    912,747.17x = 1,259,205.40 × 611,038.37
  4. Step 4: Simplify right side
    912,747.17x = 769,422,815,111.20
  5. Step 5: Solve for x
    x = 769,422,815,111.20/912,747.17
  6. Step 6: Final answer
    x = 842,974.75

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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.