Home / 927,752.43-1,280,276.64-545,803.77

Finding the Fourth Proportional to 927,752.43, 1,280,276.64 and 545,803.77

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Solution

The fourth proportional to 927,752.43, 1,280,276.64 and 545,803.77 is: 753,196.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,752.43 : 1,280,276.64 = 545,803.77 : x
  2. Step 2: Convert to fraction form
    927,752.43/1,280,276.64 = 545,803.77/x
  3. Step 3: Cross multiply
    927,752.43x = 1,280,276.64 × 545,803.77
  4. Step 4: Simplify right side
    927,752.43x = 698,779,816,754.93
  5. Step 5: Solve for x
    x = 698,779,816,754.93/927,752.43
  6. Step 6: Final answer
    x = 753,196.43

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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.