Home / 1,188,093.40-1,781,352.90-655,869.40

Finding the Fourth Proportional to 1,188,093.40, 1,781,352.90 and 655,869.40

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Solution

The fourth proportional to 1,188,093.40, 1,781,352.90 and 655,869.40 is: 983,369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,093.40 : 1,781,352.90 = 655,869.40 : x
  2. Step 2: Convert to fraction form
    1,188,093.40/1,781,352.90 = 655,869.40/x
  3. Step 3: Cross multiply
    1,188,093.40x = 1,781,352.90 × 655,869.40
  4. Step 4: Simplify right side
    1,188,093.40x = 1,168,334,857,711.26
  5. Step 5: Solve for x
    x = 1,168,334,857,711.26/1,188,093.40
  6. Step 6: Final answer
    x = 983,369.54

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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.