Home / 1,207,445.16-1,666,314.27-663,600.24

Finding the Fourth Proportional to 1,207,445.16, 1,666,314.27 and 663,600.24

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Solution

The fourth proportional to 1,207,445.16, 1,666,314.27 and 663,600.24 is: 915,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,445.16 : 1,666,314.27 = 663,600.24 : x
  2. Step 2: Convert to fraction form
    1,207,445.16/1,666,314.27 = 663,600.24/x
  3. Step 3: Cross multiply
    1,207,445.16x = 1,666,314.27 × 663,600.24
  4. Step 4: Simplify right side
    1,207,445.16x = 1,105,766,549,487.42
  5. Step 5: Solve for x
    x = 1,105,766,549,487.42/1,207,445.16
  6. Step 6: Final answer
    x = 915,790.29

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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.