Home / 1,513,772.05-2,088,990.21-825,442.22

Finding the Fourth Proportional to 1,513,772.05, 2,088,990.21 and 825,442.22

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Solution

The fourth proportional to 1,513,772.05, 2,088,990.21 and 825,442.22 is: 1,139,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,772.05 : 2,088,990.21 = 825,442.22 : x
  2. Step 2: Convert to fraction form
    1,513,772.05/2,088,990.21 = 825,442.22/x
  3. Step 3: Cross multiply
    1,513,772.05x = 2,088,990.21 × 825,442.22
  4. Step 4: Simplify right side
    1,513,772.05x = 1,724,340,709,151.12
  5. Step 5: Solve for x
    x = 1,724,340,709,151.12/1,513,772.05
  6. Step 6: Final answer
    x = 1,139,101.96

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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.