Home / 514,868.60-771,842.10-199,220.60

Finding the Fourth Proportional to 514,868.60, 771,842.10 and 199,220.60

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Solution

The fourth proportional to 514,868.60, 771,842.10 and 199,220.60 is: 298,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,868.60 : 771,842.10 = 199,220.60 : x
  2. Step 2: Convert to fraction form
    514,868.60/771,842.10 = 199,220.60/x
  3. Step 3: Cross multiply
    514,868.60x = 771,842.10 × 199,220.60
  4. Step 4: Simplify right side
    514,868.60x = 153,766,846,267.26
  5. Step 5: Solve for x
    x = 153,766,846,267.26/514,868.60
  6. Step 6: Final answer
    x = 298,652.60

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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.