Home / 1,054,279.72-1,454,856.15-624,490.48

Finding the Fourth Proportional to 1,054,279.72, 1,454,856.15 and 624,490.48

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Solution

The fourth proportional to 1,054,279.72, 1,454,856.15 and 624,490.48 is: 861,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,279.72 : 1,454,856.15 = 624,490.48 : x
  2. Step 2: Convert to fraction form
    1,054,279.72/1,454,856.15 = 624,490.48/x
  3. Step 3: Cross multiply
    1,054,279.72x = 1,454,856.15 × 624,490.48
  4. Step 4: Simplify right side
    1,054,279.72x = 908,543,815,444.45
  5. Step 5: Solve for x
    x = 908,543,815,444.45/1,054,279.72
  6. Step 6: Final answer
    x = 861,767.33

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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.