Home / 1,314,149.60-1,970,835.60-514,971.20

Finding the Fourth Proportional to 1,314,149.60, 1,970,835.60 and 514,971.20

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Solution

The fourth proportional to 1,314,149.60, 1,970,835.60 and 514,971.20 is: 772,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,149.60 : 1,970,835.60 = 514,971.20 : x
  2. Step 2: Convert to fraction form
    1,314,149.60/1,970,835.60 = 514,971.20/x
  3. Step 3: Cross multiply
    1,314,149.60x = 1,970,835.60 × 514,971.20
  4. Step 4: Simplify right side
    1,314,149.60x = 1,014,923,573,934.72
  5. Step 5: Solve for x
    x = 1,014,923,573,934.72/1,314,149.60
  6. Step 6: Final answer
    x = 772,304.44

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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.