Home / 927,801.89-1,280,344.95-545,853.27

Finding the Fourth Proportional to 927,801.89, 1,280,344.95 and 545,853.27

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Solution

The fourth proportional to 927,801.89, 1,280,344.95 and 545,853.27 is: 753,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,801.89 : 1,280,344.95 = 545,853.27 : x
  2. Step 2: Convert to fraction form
    927,801.89/1,280,344.95 = 545,853.27/x
  3. Step 3: Cross multiply
    927,801.89x = 1,280,344.95 × 545,853.27
  4. Step 4: Simplify right side
    927,801.89x = 698,880,477,685.49
  5. Step 5: Solve for x
    x = 698,880,477,685.49/927,801.89
  6. Step 6: Final answer
    x = 753,264.77

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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.