Home / 927,720.14-1,280,232.14-545,771.52

Finding the Fourth Proportional to 927,720.14, 1,280,232.14 and 545,771.52

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Solution

The fourth proportional to 927,720.14, 1,280,232.14 and 545,771.52 is: 753,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,720.14 : 1,280,232.14 = 545,771.52 : x
  2. Step 2: Convert to fraction form
    927,720.14/1,280,232.14 = 545,771.52/x
  3. Step 3: Cross multiply
    927,720.14x = 1,280,232.14 × 545,771.52
  4. Step 4: Simplify right side
    927,720.14x = 698,714,238,271.80
  5. Step 5: Solve for x
    x = 698,714,238,271.80/927,720.14
  6. Step 6: Final answer
    x = 753,151.96

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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.