Home / 410,330.40-614,095.20-343,845.60

Finding the Fourth Proportional to 410,330.40, 614,095.20 and 343,845.60

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Solution

The fourth proportional to 410,330.40, 614,095.20 and 343,845.60 is: 514,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,330.40 : 614,095.20 = 343,845.60 : x
  2. Step 2: Convert to fraction form
    410,330.40/614,095.20 = 343,845.60/x
  3. Step 3: Cross multiply
    410,330.40x = 614,095.20 × 343,845.60
  4. Step 4: Simplify right side
    410,330.40x = 211,153,932,501.12
  5. Step 5: Solve for x
    x = 211,153,932,501.12/410,330.40
  6. Step 6: Final answer
    x = 514,594.90

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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.