Home / 866,167.95-1,299,237.64-258,957.70

Finding the Fourth Proportional to 866,167.95, 1,299,237.64 and 258,957.70

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Solution

The fourth proportional to 866,167.95, 1,299,237.64 and 258,957.70 is: 388,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,167.95 : 1,299,237.64 = 258,957.70 : x
  2. Step 2: Convert to fraction form
    866,167.95/1,299,237.64 = 258,957.70/x
  3. Step 3: Cross multiply
    866,167.95x = 1,299,237.64 × 258,957.70
  4. Step 4: Simplify right side
    866,167.95x = 336,447,587,112.34
  5. Step 5: Solve for x
    x = 336,447,587,112.34/866,167.95
  6. Step 6: Final answer
    x = 388,432.27

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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.