Home / 927,825.84-1,280,478.17-519,923.00

Finding the Fourth Proportional to 927,825.84, 1,280,478.17 and 519,923.00

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Solution

The fourth proportional to 927,825.84, 1,280,478.17 and 519,923.00 is: 717,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,825.84 : 1,280,478.17 = 519,923.00 : x
  2. Step 2: Convert to fraction form
    927,825.84/1,280,478.17 = 519,923.00/x
  3. Step 3: Cross multiply
    927,825.84x = 1,280,478.17 × 519,923.00
  4. Step 4: Simplify right side
    927,825.84x = 665,750,056,081.91
  5. Step 5: Solve for x
    x = 665,750,056,081.91/927,825.84
  6. Step 6: Final answer
    x = 717,537.74

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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.