Home / 814,578.84-1,124,064.78-451,979.72

Finding the Fourth Proportional to 814,578.84, 1,124,064.78 and 451,979.72

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Solution

The fourth proportional to 814,578.84, 1,124,064.78 and 451,979.72 is: 623,702.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,578.84 : 1,124,064.78 = 451,979.72 : x
  2. Step 2: Convert to fraction form
    814,578.84/1,124,064.78 = 451,979.72/x
  3. Step 3: Cross multiply
    814,578.84x = 1,124,064.78 × 451,979.72
  4. Step 4: Simplify right side
    814,578.84x = 508,054,484,526.26
  5. Step 5: Solve for x
    x = 508,054,484,526.26/814,578.84
  6. Step 6: Final answer
    x = 623,702.04

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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.