Home / 1,639,807.08-2,262,937.22-914,636.13

Finding the Fourth Proportional to 1,639,807.08, 2,262,937.22 and 914,636.13

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Solution

The fourth proportional to 1,639,807.08, 2,262,937.22 and 914,636.13 is: 1,262,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,807.08 : 2,262,937.22 = 914,636.13 : x
  2. Step 2: Convert to fraction form
    1,639,807.08/2,262,937.22 = 914,636.13/x
  3. Step 3: Cross multiply
    1,639,807.08x = 2,262,937.22 × 914,636.13
  4. Step 4: Simplify right side
    1,639,807.08x = 2,069,764,141,333.76
  5. Step 5: Solve for x
    x = 2,069,764,141,333.76/1,639,807.08
  6. Step 6: Final answer
    x = 1,262,199.78

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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.