Home / 886,862.10-1,330,293.15-620,922.90

Finding the Fourth Proportional to 886,862.10, 1,330,293.15 and 620,922.90

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Solution

The fourth proportional to 886,862.10, 1,330,293.15 and 620,922.90 is: 931,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,862.10 : 1,330,293.15 = 620,922.90 : x
  2. Step 2: Convert to fraction form
    886,862.10/1,330,293.15 = 620,922.90/x
  3. Step 3: Cross multiply
    886,862.10x = 1,330,293.15 × 620,922.90
  4. Step 4: Simplify right side
    886,862.10x = 826,009,480,548.14
  5. Step 5: Solve for x
    x = 826,009,480,548.14/886,862.10
  6. Step 6: Final answer
    x = 931,384.35

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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.