Home / 1,777,213.60-2,666,209.20-879,085.60

Finding the Fourth Proportional to 1,777,213.60, 2,666,209.20 and 879,085.60

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Solution

The fourth proportional to 1,777,213.60, 2,666,209.20 and 879,085.60 is: 1,318,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,213.60 : 2,666,209.20 = 879,085.60 : x
  2. Step 2: Convert to fraction form
    1,777,213.60/2,666,209.20 = 879,085.60/x
  3. Step 3: Cross multiply
    1,777,213.60x = 2,666,209.20 × 879,085.60
  4. Step 4: Simplify right side
    1,777,213.60x = 2,343,826,114,307.52
  5. Step 5: Solve for x
    x = 2,343,826,114,307.52/1,777,213.60
  6. Step 6: Final answer
    x = 1,318,820.72

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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.