Home / 886,862.60-1,330,293.90-620,923.40

Finding the Fourth Proportional to 886,862.60, 1,330,293.90 and 620,923.40

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Solution

The fourth proportional to 886,862.60, 1,330,293.90 and 620,923.40 is: 931,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,862.60 : 1,330,293.90 = 620,923.40 : x
  2. Step 2: Convert to fraction form
    886,862.60/1,330,293.90 = 620,923.40/x
  3. Step 3: Cross multiply
    886,862.60x = 1,330,293.90 × 620,923.40
  4. Step 4: Simplify right side
    886,862.60x = 826,010,611,387.26
  5. Step 5: Solve for x
    x = 826,010,611,387.26/886,862.60
  6. Step 6: Final answer
    x = 931,385.10

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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.