Home / 1,729,509.40-2,386,943.13-1,004,212.72

Finding the Fourth Proportional to 1,729,509.40, 2,386,943.13 and 1,004,212.72

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Solution

The fourth proportional to 1,729,509.40, 2,386,943.13 and 1,004,212.72 is: 1,385,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,509.40 : 2,386,943.13 = 1,004,212.72 : x
  2. Step 2: Convert to fraction form
    1,729,509.40/2,386,943.13 = 1,004,212.72/x
  3. Step 3: Cross multiply
    1,729,509.40x = 2,386,943.13 × 1,004,212.72
  4. Step 4: Simplify right side
    1,729,509.40x = 2,396,998,653,062.61
  5. Step 5: Solve for x
    x = 2,396,998,653,062.61/1,729,509.40
  6. Step 6: Final answer
    x = 1,385,941.38

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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.