Home / 1,208,117.22-1,811,044.05-408,839.19

Finding the Fourth Proportional to 1,208,117.22, 1,811,044.05 and 408,839.19

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Solution

The fourth proportional to 1,208,117.22, 1,811,044.05 and 408,839.19 is: 612,875.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,117.22 : 1,811,044.05 = 408,839.19 : x
  2. Step 2: Convert to fraction form
    1,208,117.22/1,811,044.05 = 408,839.19/x
  3. Step 3: Cross multiply
    1,208,117.22x = 1,811,044.05 × 408,839.19
  4. Step 4: Simplify right side
    1,208,117.22x = 740,425,773,401.10
  5. Step 5: Solve for x
    x = 740,425,773,401.10/1,208,117.22
  6. Step 6: Final answer
    x = 612,875.77

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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.