Home / 815,700.69-1,125,635.66-453,147.35

Finding the Fourth Proportional to 815,700.69, 1,125,635.66 and 453,147.35

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Solution

The fourth proportional to 815,700.69, 1,125,635.66 and 453,147.35 is: 625,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,700.69 : 1,125,635.66 = 453,147.35 : x
  2. Step 2: Convert to fraction form
    815,700.69/1,125,635.66 = 453,147.35/x
  3. Step 3: Cross multiply
    815,700.69x = 1,125,635.66 × 453,147.35
  4. Step 4: Simplify right side
    815,700.69x = 510,078,810,199.89
  5. Step 5: Solve for x
    x = 510,078,810,199.89/815,700.69
  6. Step 6: Final answer
    x = 625,325.95

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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.