Home / 1,314,139.60-1,970,820.60-514,961.20

Finding the Fourth Proportional to 1,314,139.60, 1,970,820.60 and 514,961.20

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Solution

The fourth proportional to 1,314,139.60, 1,970,820.60 and 514,961.20 is: 772,289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,139.60 : 1,970,820.60 = 514,961.20 : x
  2. Step 2: Convert to fraction form
    1,314,139.60/1,970,820.60 = 514,961.20/x
  3. Step 3: Cross multiply
    1,314,139.60x = 1,970,820.60 × 514,961.20
  4. Step 4: Simplify right side
    1,314,139.60x = 1,014,896,141,160.72
  5. Step 5: Solve for x
    x = 1,014,896,141,160.72/1,314,139.60
  6. Step 6: Final answer
    x = 772,289.44

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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.