Home / 917,454.80-1,373,417.40-806,862.80

Finding the Fourth Proportional to 917,454.80, 1,373,417.40 and 806,862.80

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Solution

The fourth proportional to 917,454.80, 1,373,417.40 and 806,862.80 is: 1,207,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,454.80 : 1,373,417.40 = 806,862.80 : x
  2. Step 2: Convert to fraction form
    917,454.80/1,373,417.40 = 806,862.80/x
  3. Step 3: Cross multiply
    917,454.80x = 1,373,417.40 × 806,862.80
  4. Step 4: Simplify right side
    917,454.80x = 1,108,159,408,932.72
  5. Step 5: Solve for x
    x = 1,108,159,408,932.72/917,454.80
  6. Step 6: Final answer
    x = 1,207,862.68

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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.