Home / 648,032.70-972,049.05-613,040.70

Finding the Fourth Proportional to 648,032.70, 972,049.05 and 613,040.70

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Solution

The fourth proportional to 648,032.70, 972,049.05 and 613,040.70 is: 919,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,032.70 : 972,049.05 = 613,040.70 : x
  2. Step 2: Convert to fraction form
    648,032.70/972,049.05 = 613,040.70/x
  3. Step 3: Cross multiply
    648,032.70x = 972,049.05 × 613,040.70
  4. Step 4: Simplify right side
    648,032.70x = 595,905,630,046.34
  5. Step 5: Solve for x
    x = 595,905,630,046.34/648,032.70
  6. Step 6: Final answer
    x = 919,561.05

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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.