Home / 480,244.70-720,340.98-243,581.19

Finding the Fourth Proportional to 480,244.70, 720,340.98 and 243,581.19

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Solution

The fourth proportional to 480,244.70, 720,340.98 and 243,581.19 is: 365,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,244.70 : 720,340.98 = 243,581.19 : x
  2. Step 2: Convert to fraction form
    480,244.70/720,340.98 = 243,581.19/x
  3. Step 3: Cross multiply
    480,244.70x = 720,340.98 × 243,581.19
  4. Step 4: Simplify right side
    480,244.70x = 175,461,513,114.17
  5. Step 5: Solve for x
    x = 175,461,513,114.17/480,244.70
  6. Step 6: Final answer
    x = 365,358.57

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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.