Home / 325,580.20-488,370.30-293,439.40

Finding the Fourth Proportional to 325,580.20, 488,370.30 and 293,439.40

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Solution

The fourth proportional to 325,580.20, 488,370.30 and 293,439.40 is: 440,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,580.20 : 488,370.30 = 293,439.40 : x
  2. Step 2: Convert to fraction form
    325,580.20/488,370.30 = 293,439.40/x
  3. Step 3: Cross multiply
    325,580.20x = 488,370.30 × 293,439.40
  4. Step 4: Simplify right side
    325,580.20x = 143,307,087,809.82
  5. Step 5: Solve for x
    x = 143,307,087,809.82/325,580.20
  6. Step 6: Final answer
    x = 440,159.10

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1.5x scale

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.