Home / 1,186,184.73-1,779,819.27-645,631.23

Finding the Fourth Proportional to 1,186,184.73, 1,779,819.27 and 645,631.23

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Solution

The fourth proportional to 1,186,184.73, 1,779,819.27 and 645,631.23 is: 968,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,184.73 : 1,779,819.27 = 645,631.23 : x
  2. Step 2: Convert to fraction form
    1,186,184.73/1,779,819.27 = 645,631.23/x
  3. Step 3: Cross multiply
    1,186,184.73x = 1,779,819.27 × 645,631.23
  4. Step 4: Simplify right side
    1,186,184.73x = 1,149,106,904,467.80
  5. Step 5: Solve for x
    x = 1,149,106,904,467.80/1,186,184.73
  6. Step 6: Final answer
    x = 968,741.95

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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.