Home / 1,124,507.61-1,552,020.28-665,876.77

Finding the Fourth Proportional to 1,124,507.61, 1,552,020.28 and 665,876.77

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Solution

The fourth proportional to 1,124,507.61, 1,552,020.28 and 665,876.77 is: 919,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,507.61 : 1,552,020.28 = 665,876.77 : x
  2. Step 2: Convert to fraction form
    1,124,507.61/1,552,020.28 = 665,876.77/x
  3. Step 3: Cross multiply
    1,124,507.61x = 1,552,020.28 × 665,876.77
  4. Step 4: Simplify right side
    1,124,507.61x = 1,033,454,245,476.15
  5. Step 5: Solve for x
    x = 1,033,454,245,476.15/1,124,507.61
  6. Step 6: Final answer
    x = 919,028.24

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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.