Home / 648,023.80-972,035.70-480,062.20

Finding the Fourth Proportional to 648,023.80, 972,035.70 and 480,062.20

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Solution

The fourth proportional to 648,023.80, 972,035.70 and 480,062.20 is: 720,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,023.80 : 972,035.70 = 480,062.20 : x
  2. Step 2: Convert to fraction form
    648,023.80/972,035.70 = 480,062.20/x
  3. Step 3: Cross multiply
    648,023.80x = 972,035.70 × 480,062.20
  4. Step 4: Simplify right side
    648,023.80x = 466,637,596,620.54
  5. Step 5: Solve for x
    x = 466,637,596,620.54/648,023.80
  6. Step 6: Final answer
    x = 720,093.30

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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.