Home / 1,778,909.80-2,454,865.86-963,106.87

Finding the Fourth Proportional to 1,778,909.80, 2,454,865.86 and 963,106.87

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Solution

The fourth proportional to 1,778,909.80, 2,454,865.86 and 963,106.87 is: 1,329,071.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,909.80 : 2,454,865.86 = 963,106.87 : x
  2. Step 2: Convert to fraction form
    1,778,909.80/2,454,865.86 = 963,106.87/x
  3. Step 3: Cross multiply
    1,778,909.80x = 2,454,865.86 × 963,106.87
  4. Step 4: Simplify right side
    1,778,909.80x = 2,364,298,174,694.46
  5. Step 5: Solve for x
    x = 2,364,298,174,694.46/1,778,909.80
  6. Step 6: Final answer
    x = 1,329,071.42

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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.