Home / 871,044.84-1,306,567.26-239,958.72

Finding the Fourth Proportional to 871,044.84, 1,306,567.26 and 239,958.72

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Solution

The fourth proportional to 871,044.84, 1,306,567.26 and 239,958.72 is: 359,938.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,044.84 : 1,306,567.26 = 239,958.72 : x
  2. Step 2: Convert to fraction form
    871,044.84/1,306,567.26 = 239,958.72/x
  3. Step 3: Cross multiply
    871,044.84x = 1,306,567.26 × 239,958.72
  4. Step 4: Simplify right side
    871,044.84x = 313,522,207,303.51
  5. Step 5: Solve for x
    x = 313,522,207,303.51/871,044.84
  6. Step 6: Final answer
    x = 359,938.08

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Double scale
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Similar ratio
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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.