Home / 1,277,725.77-1,916,565.87-379,774.55

Finding the Fourth Proportional to 1,277,725.77, 1,916,565.87 and 379,774.55

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Solution

The fourth proportional to 1,277,725.77, 1,916,565.87 and 379,774.55 is: 569,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,725.77 : 1,916,565.87 = 379,774.55 : x
  2. Step 2: Convert to fraction form
    1,277,725.77/1,916,565.87 = 379,774.55/x
  3. Step 3: Cross multiply
    1,277,725.77x = 1,916,565.87 × 379,774.55
  4. Step 4: Simplify right side
    1,277,725.77x = 727,862,940,824.61
  5. Step 5: Solve for x
    x = 727,862,940,824.61/1,277,725.77
  6. Step 6: Final answer
    x = 569,655.05

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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.