Home / 781,375.60-1,170,095.10-623,911.60

Finding the Fourth Proportional to 781,375.60, 1,170,095.10 and 623,911.60

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Solution

The fourth proportional to 781,375.60, 1,170,095.10 and 623,911.60 is: 934,295.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,375.60 : 1,170,095.10 = 623,911.60 : x
  2. Step 2: Convert to fraction form
    781,375.60/1,170,095.10 = 623,911.60/x
  3. Step 3: Cross multiply
    781,375.60x = 1,170,095.10 × 623,911.60
  4. Step 4: Simplify right side
    781,375.60x = 730,035,905,993.16
  5. Step 5: Solve for x
    x = 730,035,905,993.16/781,375.60
  6. Step 6: Final answer
    x = 934,295.75

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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.