Home / 971,686.10-1,340,928.66-541,994.06

Finding the Fourth Proportional to 971,686.10, 1,340,928.66 and 541,994.06

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Solution

The fourth proportional to 971,686.10, 1,340,928.66 and 541,994.06 is: 747,952.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,686.10 : 1,340,928.66 = 541,994.06 : x
  2. Step 2: Convert to fraction form
    971,686.10/1,340,928.66 = 541,994.06/x
  3. Step 3: Cross multiply
    971,686.10x = 1,340,928.66 × 541,994.06
  4. Step 4: Simplify right side
    971,686.10x = 726,775,368,603.76
  5. Step 5: Solve for x
    x = 726,775,368,603.76/971,686.10
  6. Step 6: Final answer
    x = 747,952.83

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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.