Home / 866,934.40-1,299,883.20-447,030.40

Finding the Fourth Proportional to 866,934.40, 1,299,883.20 and 447,030.40

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Solution

The fourth proportional to 866,934.40, 1,299,883.20 and 447,030.40 is: 670,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,934.40 : 1,299,883.20 = 447,030.40 : x
  2. Step 2: Convert to fraction form
    866,934.40/1,299,883.20 = 447,030.40/x
  3. Step 3: Cross multiply
    866,934.40x = 1,299,883.20 × 447,030.40
  4. Step 4: Simplify right side
    866,934.40x = 581,087,306,849.28
  5. Step 5: Solve for x
    x = 581,087,306,849.28/866,934.40
  6. Step 6: Final answer
    x = 670,278.29

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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.