Home / 483,130.60-723,821.10-413,146.60

Finding the Fourth Proportional to 483,130.60, 723,821.10 and 413,146.60

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Solution

The fourth proportional to 483,130.60, 723,821.10 and 413,146.60 is: 618,971.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,130.60 : 723,821.10 = 413,146.60 : x
  2. Step 2: Convert to fraction form
    483,130.60/723,821.10 = 413,146.60/x
  3. Step 3: Cross multiply
    483,130.60x = 723,821.10 × 413,146.60
  4. Step 4: Simplify right side
    483,130.60x = 299,044,226,473.26
  5. Step 5: Solve for x
    x = 299,044,226,473.26/483,130.60
  6. Step 6: Final answer
    x = 618,971.82

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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.