Home / 723,937.50-999,060.44-437,402.21

Finding the Fourth Proportional to 723,937.50, 999,060.44 and 437,402.21

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Solution

The fourth proportional to 723,937.50, 999,060.44 and 437,402.21 is: 603,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,937.50 : 999,060.44 = 437,402.21 : x
  2. Step 2: Convert to fraction form
    723,937.50/999,060.44 = 437,402.21/x
  3. Step 3: Cross multiply
    723,937.50x = 999,060.44 × 437,402.21
  4. Step 4: Simplify right side
    723,937.50x = 436,991,237,197.26
  5. Step 5: Solve for x
    x = 436,991,237,197.26/723,937.50
  6. Step 6: Final answer
    x = 603,631.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.