Home / 839,862.60-1,259,793.90-556,427.40

Finding the Fourth Proportional to 839,862.60, 1,259,793.90 and 556,427.40

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Solution

The fourth proportional to 839,862.60, 1,259,793.90 and 556,427.40 is: 834,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,862.60 : 1,259,793.90 = 556,427.40 : x
  2. Step 2: Convert to fraction form
    839,862.60/1,259,793.90 = 556,427.40/x
  3. Step 3: Cross multiply
    839,862.60x = 1,259,793.90 × 556,427.40
  4. Step 4: Simplify right side
    839,862.60x = 700,983,844,312.86
  5. Step 5: Solve for x
    x = 700,983,844,312.86/839,862.60
  6. Step 6: Final answer
    x = 834,641.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.