Home / 1,207,443.66-1,666,312.20-663,598.73

Finding the Fourth Proportional to 1,207,443.66, 1,666,312.20 and 663,598.73

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Solution

The fourth proportional to 1,207,443.66, 1,666,312.20 and 663,598.73 is: 915,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,443.66 : 1,666,312.20 = 663,598.73 : x
  2. Step 2: Convert to fraction form
    1,207,443.66/1,666,312.20 = 663,598.73/x
  3. Step 3: Cross multiply
    1,207,443.66x = 1,666,312.20 × 663,598.73
  4. Step 4: Simplify right side
    1,207,443.66x = 1,105,762,651,371.94
  5. Step 5: Solve for x
    x = 1,105,762,651,371.94/1,207,443.66
  6. Step 6: Final answer
    x = 915,788.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.