Home / 927,206.72-1,279,399.04-540,085.84

Finding the Fourth Proportional to 927,206.72, 1,279,399.04 and 540,085.84

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Solution

The fourth proportional to 927,206.72, 1,279,399.04 and 540,085.84 is: 745,233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,206.72 : 1,279,399.04 = 540,085.84 : x
  2. Step 2: Convert to fraction form
    927,206.72/1,279,399.04 = 540,085.84/x
  3. Step 3: Cross multiply
    927,206.72x = 1,279,399.04 × 540,085.84
  4. Step 4: Simplify right side
    927,206.72x = 690,985,305,213.59
  5. Step 5: Solve for x
    x = 690,985,305,213.59/927,206.72
  6. Step 6: Final answer
    x = 745,233.28

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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.