Home / 886,852.60-1,330,278.90-620,913.40

Finding the Fourth Proportional to 886,852.60, 1,330,278.90 and 620,913.40

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Solution

The fourth proportional to 886,852.60, 1,330,278.90 and 620,913.40 is: 931,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,852.60 : 1,330,278.90 = 620,913.40 : x
  2. Step 2: Convert to fraction form
    886,852.60/1,330,278.90 = 620,913.40/x
  3. Step 3: Cross multiply
    886,852.60x = 1,330,278.90 × 620,913.40
  4. Step 4: Simplify right side
    886,852.60x = 825,987,994,747.26
  5. Step 5: Solve for x
    x = 825,987,994,747.26/886,852.60
  6. Step 6: Final answer
    x = 931,370.10

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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.