Home / 648,014.30-972,021.45-480,052.70

Finding the Fourth Proportional to 648,014.30, 972,021.45 and 480,052.70

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Solution

The fourth proportional to 648,014.30, 972,021.45 and 480,052.70 is: 720,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,014.30 : 972,021.45 = 480,052.70 : x
  2. Step 2: Convert to fraction form
    648,014.30/972,021.45 = 480,052.70/x
  3. Step 3: Cross multiply
    648,014.30x = 972,021.45 × 480,052.70
  4. Step 4: Simplify right side
    648,014.30x = 466,621,521,530.42
  5. Step 5: Solve for x
    x = 466,621,521,530.42/648,014.30
  6. Step 6: Final answer
    x = 720,079.05

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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.