Home / 927,801.76-1,280,344.78-545,853.15

Finding the Fourth Proportional to 927,801.76, 1,280,344.78 and 545,853.15

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Solution

The fourth proportional to 927,801.76, 1,280,344.78 and 545,853.15 is: 753,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,801.76 : 1,280,344.78 = 545,853.15 : x
  2. Step 2: Convert to fraction form
    927,801.76/1,280,344.78 = 545,853.15/x
  3. Step 3: Cross multiply
    927,801.76x = 1,280,344.78 × 545,853.15
  4. Step 4: Simplify right side
    927,801.76x = 698,880,223,482.70
  5. Step 5: Solve for x
    x = 698,880,223,482.70/927,801.76
  6. Step 6: Final answer
    x = 753,264.60

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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.