Home / 432,440.21-596,439.10-372,111.95

Finding the Fourth Proportional to 432,440.21, 596,439.10 and 372,111.95

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Solution

The fourth proportional to 432,440.21, 596,439.10 and 372,111.95 is: 513,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,440.21 : 596,439.10 = 372,111.95 : x
  2. Step 2: Convert to fraction form
    432,440.21/596,439.10 = 372,111.95/x
  3. Step 3: Cross multiply
    432,440.21x = 596,439.10 × 372,111.95
  4. Step 4: Simplify right side
    432,440.21x = 221,942,116,557.25
  5. Step 5: Solve for x
    x = 221,942,116,557.25/432,440.21
  6. Step 6: Final answer
    x = 513,231.91

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1.5x scale

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.