Home / 815,997.64-1,126,054.36-453,412.20

Finding the Fourth Proportional to 815,997.64, 1,126,054.36 and 453,412.20

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Solution

The fourth proportional to 815,997.64, 1,126,054.36 and 453,412.20 is: 625,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,997.64 : 1,126,054.36 = 453,412.20 : x
  2. Step 2: Convert to fraction form
    815,997.64/1,126,054.36 = 453,412.20/x
  3. Step 3: Cross multiply
    815,997.64x = 1,126,054.36 × 453,412.20
  4. Step 4: Simplify right side
    815,997.64x = 510,566,784,687.19
  5. Step 5: Solve for x
    x = 510,566,784,687.19/815,997.64
  6. Step 6: Final answer
    x = 625,696.40

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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.