Home / 402,255.02-603,373.19-202,521.77

Finding the Fourth Proportional to 402,255.02, 603,373.19 and 202,521.77

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Solution

The fourth proportional to 402,255.02, 603,373.19 and 202,521.77 is: 303,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,255.02 : 603,373.19 = 202,521.77 : x
  2. Step 2: Convert to fraction form
    402,255.02/603,373.19 = 202,521.77/x
  3. Step 3: Cross multiply
    402,255.02x = 603,373.19 × 202,521.77
  4. Step 4: Simplify right side
    402,255.02x = 122,196,208,036.50
  5. Step 5: Solve for x
    x = 122,196,208,036.50/402,255.02
  6. Step 6: Final answer
    x = 303,777.96

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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.