Home / 1,445,209.20-2,165,740.20-1,063,148.40

Finding the Fourth Proportional to 1,445,209.20, 2,165,740.20 and 1,063,148.40

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Solution

The fourth proportional to 1,445,209.20, 2,165,740.20 and 1,063,148.40 is: 1,593,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,209.20 : 2,165,740.20 = 1,063,148.40 : x
  2. Step 2: Convert to fraction form
    1,445,209.20/2,165,740.20 = 1,063,148.40/x
  3. Step 3: Cross multiply
    1,445,209.20x = 2,165,740.20 × 1,063,148.40
  4. Step 4: Simplify right side
    1,445,209.20x = 2,302,503,228,445.68
  5. Step 5: Solve for x
    x = 2,302,503,228,445.68/1,445,209.20
  6. Step 6: Final answer
    x = 1,593,197.18

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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.