Home / 611,096.04-840,321.42-530,382.96

Finding the Fourth Proportional to 611,096.04, 840,321.42 and 530,382.96

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Solution

The fourth proportional to 611,096.04, 840,321.42 and 530,382.96 is: 729,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,096.04 : 840,321.42 = 530,382.96 : x
  2. Step 2: Convert to fraction form
    611,096.04/840,321.42 = 530,382.96/x
  3. Step 3: Cross multiply
    611,096.04x = 840,321.42 × 530,382.96
  4. Step 4: Simplify right side
    611,096.04x = 445,692,162,091.00
  5. Step 5: Solve for x
    x = 445,692,162,091.00/611,096.04
  6. Step 6: Final answer
    x = 729,332.43

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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.