Home / 1,208,134.70-1,811,766.10-354,978.14

Finding the Fourth Proportional to 1,208,134.70, 1,811,766.10 and 354,978.14

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Solution

The fourth proportional to 1,208,134.70, 1,811,766.10 and 354,978.14 is: 532,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,134.70 : 1,811,766.10 = 354,978.14 : x
  2. Step 2: Convert to fraction form
    1,208,134.70/1,811,766.10 = 354,978.14/x
  3. Step 3: Cross multiply
    1,208,134.70x = 1,811,766.10 × 354,978.14
  4. Step 4: Simplify right side
    1,208,134.70x = 643,137,360,293.05
  5. Step 5: Solve for x
    x = 643,137,360,293.05/1,208,134.70
  6. Step 6: Final answer
    x = 532,339.12

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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.