Home / 2,912,256.90-4,368,385.35-782,556.30

Finding the Fourth Proportional to 2,912,256.90, 4,368,385.35 and 782,556.30

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Solution

The fourth proportional to 2,912,256.90, 4,368,385.35 and 782,556.30 is: 1,173,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,256.90 : 4,368,385.35 = 782,556.30 : x
  2. Step 2: Convert to fraction form
    2,912,256.90/4,368,385.35 = 782,556.30/x
  3. Step 3: Cross multiply
    2,912,256.90x = 4,368,385.35 × 782,556.30
  4. Step 4: Simplify right side
    2,912,256.90x = 3,418,507,476,470.21
  5. Step 5: Solve for x
    x = 3,418,507,476,470.21/2,912,256.90
  6. Step 6: Final answer
    x = 1,173,834.45

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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.