Home / 434,601.40-651,707.70-197,822.20

Finding the Fourth Proportional to 434,601.40, 651,707.70 and 197,822.20

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Solution

The fourth proportional to 434,601.40, 651,707.70 and 197,822.20 is: 296,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,601.40 : 651,707.70 = 197,822.20 : x
  2. Step 2: Convert to fraction form
    434,601.40/651,707.70 = 197,822.20/x
  3. Step 3: Cross multiply
    434,601.40x = 651,707.70 × 197,822.20
  4. Step 4: Simplify right side
    434,601.40x = 128,922,250,970.94
  5. Step 5: Solve for x
    x = 128,922,250,970.94/434,601.40
  6. Step 6: Final answer
    x = 296,644.81

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1.5x scale

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.