Home / 453,885.20-680,973.60-304,294.40

Finding the Fourth Proportional to 453,885.20, 680,973.60 and 304,294.40

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Solution

The fourth proportional to 453,885.20, 680,973.60 and 304,294.40 is: 456,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,885.20 : 680,973.60 = 304,294.40 : x
  2. Step 2: Convert to fraction form
    453,885.20/680,973.60 = 304,294.40/x
  3. Step 3: Cross multiply
    453,885.20x = 680,973.60 × 304,294.40
  4. Step 4: Simplify right side
    453,885.20x = 207,216,453,027.84
  5. Step 5: Solve for x
    x = 207,216,453,027.84/453,885.20
  6. Step 6: Final answer
    x = 456,539.35

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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.