Home / 1,189,530.02-1,641,553.02-645,665.92

Finding the Fourth Proportional to 1,189,530.02, 1,641,553.02 and 645,665.92

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Solution

The fourth proportional to 1,189,530.02, 1,641,553.02 and 645,665.92 is: 891,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,530.02 : 1,641,553.02 = 645,665.92 : x
  2. Step 2: Convert to fraction form
    1,189,530.02/1,641,553.02 = 645,665.92/x
  3. Step 3: Cross multiply
    1,189,530.02x = 1,641,553.02 × 645,665.92
  4. Step 4: Simplify right side
    1,189,530.02x = 1,059,894,840,887.08
  5. Step 5: Solve for x
    x = 1,059,894,840,887.08/1,189,530.02
  6. Step 6: Final answer
    x = 891,019.83

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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.