Home / 862,987.35-1,294,796.61-401,585.34

Finding the Fourth Proportional to 862,987.35, 1,294,796.61 and 401,585.34

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Solution

The fourth proportional to 862,987.35, 1,294,796.61 and 401,585.34 is: 602,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,987.35 : 1,294,796.61 = 401,585.34 : x
  2. Step 2: Convert to fraction form
    862,987.35/1,294,796.61 = 401,585.34/x
  3. Step 3: Cross multiply
    862,987.35x = 1,294,796.61 × 401,585.34
  4. Step 4: Simplify right side
    862,987.35x = 519,971,336,857.70
  5. Step 5: Solve for x
    x = 519,971,336,857.70/862,987.35
  6. Step 6: Final answer
    x = 602,524.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.