Home / 1,992,045.92-2,988,095.61-625,775.12

Finding the Fourth Proportional to 1,992,045.92, 2,988,095.61 and 625,775.12

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Solution

The fourth proportional to 1,992,045.92, 2,988,095.61 and 625,775.12 is: 938,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,045.92 : 2,988,095.61 = 625,775.12 : x
  2. Step 2: Convert to fraction form
    1,992,045.92/2,988,095.61 = 625,775.12/x
  3. Step 3: Cross multiply
    1,992,045.92x = 2,988,095.61 × 625,775.12
  4. Step 4: Simplify right side
    1,992,045.92x = 1,869,875,873,978.75
  5. Step 5: Solve for x
    x = 1,869,875,873,978.75/1,992,045.92
  6. Step 6: Final answer
    x = 938,671.07

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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.