Home / 1,213,577.40-1,819,928.70-614,339.40

Finding the Fourth Proportional to 1,213,577.40, 1,819,928.70 and 614,339.40

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Solution

The fourth proportional to 1,213,577.40, 1,819,928.70 and 614,339.40 is: 921,287.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,577.40 : 1,819,928.70 = 614,339.40 : x
  2. Step 2: Convert to fraction form
    1,213,577.40/1,819,928.70 = 614,339.40/x
  3. Step 3: Cross multiply
    1,213,577.40x = 1,819,928.70 × 614,339.40
  4. Step 4: Simplify right side
    1,213,577.40x = 1,118,053,905,600.78
  5. Step 5: Solve for x
    x = 1,118,053,905,600.78/1,213,577.40
  6. Step 6: Final answer
    x = 921,287.68

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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.