Home / 927,826.84-1,280,479.55-519,924

Finding the Fourth Proportional to 927,826.84, 1,280,479.55 and 519,924

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Solution

The fourth proportional to 927,826.84, 1,280,479.55 and 519,924 is: 717,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,826.84 : 1,280,479.55 = 519,924 : x
  2. Step 2: Convert to fraction form
    927,826.84/1,280,479.55 = 519,924/x
  3. Step 3: Cross multiply
    927,826.84x = 1,280,479.55 × 519,924
  4. Step 4: Simplify right side
    927,826.84x = 665,752,049,554.20
  5. Step 5: Solve for x
    x = 665,752,049,554.20/927,826.84
  6. Step 6: Final answer
    x = 717,539.11

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1.5x scale

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.