Home / 1,416,860.31-1,955,267.79-805,013.88

Finding the Fourth Proportional to 1,416,860.31, 1,955,267.79 and 805,013.88

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Solution

The fourth proportional to 1,416,860.31, 1,955,267.79 and 805,013.88 is: 1,110,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,860.31 : 1,955,267.79 = 805,013.88 : x
  2. Step 2: Convert to fraction form
    1,416,860.31/1,955,267.79 = 805,013.88/x
  3. Step 3: Cross multiply
    1,416,860.31x = 1,955,267.79 × 805,013.88
  4. Step 4: Simplify right side
    1,416,860.31x = 1,574,017,699,715.87
  5. Step 5: Solve for x
    x = 1,574,017,699,715.87/1,416,860.31
  6. Step 6: Final answer
    x = 1,110,919.46

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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.