Home / 409,890.30-614,835.45-297,041.10

Finding the Fourth Proportional to 409,890.30, 614,835.45 and 297,041.10

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Solution

The fourth proportional to 409,890.30, 614,835.45 and 297,041.10 is: 445,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,890.30 : 614,835.45 = 297,041.10 : x
  2. Step 2: Convert to fraction form
    409,890.30/614,835.45 = 297,041.10/x
  3. Step 3: Cross multiply
    409,890.30x = 614,835.45 × 297,041.10
  4. Step 4: Simplify right side
    409,890.30x = 182,631,398,387.00
  5. Step 5: Solve for x
    x = 182,631,398,387.00/409,890.30
  6. Step 6: Final answer
    x = 445,561.65

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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.