Home / 1,386,714.80-1,913,856.51-798,002.13

Finding the Fourth Proportional to 1,386,714.80, 1,913,856.51 and 798,002.13

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Solution

The fourth proportional to 1,386,714.80, 1,913,856.51 and 798,002.13 is: 1,101,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,714.80 : 1,913,856.51 = 798,002.13 : x
  2. Step 2: Convert to fraction form
    1,386,714.80/1,913,856.51 = 798,002.13/x
  3. Step 3: Cross multiply
    1,386,714.80x = 1,913,856.51 × 798,002.13
  4. Step 4: Simplify right side
    1,386,714.80x = 1,527,261,571,494.37
  5. Step 5: Solve for x
    x = 1,527,261,571,494.37/1,386,714.80
  6. Step 6: Final answer
    x = 1,101,352.33

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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.