Home / 831,939.67-1,244,626.10-630,117.16

Finding the Fourth Proportional to 831,939.67, 1,244,626.10 and 630,117.16

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Solution

The fourth proportional to 831,939.67, 1,244,626.10 and 630,117.16 is: 942,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,939.67 : 1,244,626.10 = 630,117.16 : x
  2. Step 2: Convert to fraction form
    831,939.67/1,244,626.10 = 630,117.16/x
  3. Step 3: Cross multiply
    831,939.67x = 1,244,626.10 × 630,117.16
  4. Step 4: Simplify right side
    831,939.67x = 784,260,261,222.97
  5. Step 5: Solve for x
    x = 784,260,261,222.97/831,939.67
  6. Step 6: Final answer
    x = 942,688.86

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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.