Home / 815,995.64-1,126,051.61-453,410.19

Finding the Fourth Proportional to 815,995.64, 1,126,051.61 and 453,410.19

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Solution

The fourth proportional to 815,995.64, 1,126,051.61 and 453,410.19 is: 625,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,995.64 : 1,126,051.61 = 453,410.19 : x
  2. Step 2: Convert to fraction form
    815,995.64/1,126,051.61 = 453,410.19/x
  3. Step 3: Cross multiply
    815,995.64x = 1,126,051.61 × 453,410.19
  4. Step 4: Simplify right side
    815,995.64x = 510,563,272,172.86
  5. Step 5: Solve for x
    x = 510,563,272,172.86/815,995.64
  6. Step 6: Final answer
    x = 625,693.63

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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.