Home / 853,758.36-1,178,190.18-466,581.48

Finding the Fourth Proportional to 853,758.36, 1,178,190.18 and 466,581.48

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Solution

The fourth proportional to 853,758.36, 1,178,190.18 and 466,581.48 is: 643,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,758.36 : 1,178,190.18 = 466,581.48 : x
  2. Step 2: Convert to fraction form
    853,758.36/1,178,190.18 = 466,581.48/x
  3. Step 3: Cross multiply
    853,758.36x = 1,178,190.18 × 466,581.48
  4. Step 4: Simplify right side
    853,758.36x = 549,721,717,905.87
  5. Step 5: Solve for x
    x = 549,721,717,905.87/853,758.36
  6. Step 6: Final answer
    x = 643,884.43

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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.