Home / 480,087.16-720,582.72-243,599.56

Finding the Fourth Proportional to 480,087.16, 720,582.72 and 243,599.56

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Solution

The fourth proportional to 480,087.16, 720,582.72 and 243,599.56 is: 365,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,087.16 : 720,582.72 = 243,599.56 : x
  2. Step 2: Convert to fraction form
    480,087.16/720,582.72 = 243,599.56/x
  3. Step 3: Cross multiply
    480,087.16x = 720,582.72 × 243,599.56
  4. Step 4: Simplify right side
    480,087.16x = 175,533,633,535.60
  5. Step 5: Solve for x
    x = 175,533,633,535.60/480,087.16
  6. Step 6: Final answer
    x = 365,628.68

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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.