Home / 816,020.76-1,126,086.18-453,435.24

Finding the Fourth Proportional to 816,020.76, 1,126,086.18 and 453,435.24

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Solution

The fourth proportional to 816,020.76, 1,126,086.18 and 453,435.24 is: 625,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,020.76 : 1,126,086.18 = 453,435.24 : x
  2. Step 2: Convert to fraction form
    816,020.76/1,126,086.18 = 453,435.24/x
  3. Step 3: Cross multiply
    816,020.76x = 1,126,086.18 × 453,435.24
  4. Step 4: Simplify right side
    816,020.76x = 510,607,157,288.98
  5. Step 5: Solve for x
    x = 510,607,157,288.98/816,020.76
  6. Step 6: Final answer
    x = 625,728.15

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Double scale
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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.