Home / 1,223,998.80-1,835,998.20-513,836.16

Finding the Fourth Proportional to 1,223,998.80, 1,835,998.20 and 513,836.16

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Solution

The fourth proportional to 1,223,998.80, 1,835,998.20 and 513,836.16 is: 770,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,998.80 : 1,835,998.20 = 513,836.16 : x
  2. Step 2: Convert to fraction form
    1,223,998.80/1,835,998.20 = 513,836.16/x
  3. Step 3: Cross multiply
    1,223,998.80x = 1,835,998.20 × 513,836.16
  4. Step 4: Simplify right side
    1,223,998.80x = 943,402,264,854.91
  5. Step 5: Solve for x
    x = 943,402,264,854.91/1,223,998.80
  6. Step 6: Final answer
    x = 770,754.24

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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.