Home / 589,466.10-813,549.36-331,364.30

Finding the Fourth Proportional to 589,466.10, 813,549.36 and 331,364.30

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Solution

The fourth proportional to 589,466.10, 813,549.36 and 331,364.30 is: 457,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,466.10 : 813,549.36 = 331,364.30 : x
  2. Step 2: Convert to fraction form
    589,466.10/813,549.36 = 331,364.30/x
  3. Step 3: Cross multiply
    589,466.10x = 813,549.36 × 331,364.30
  4. Step 4: Simplify right side
    589,466.10x = 269,581,213,993.86
  5. Step 5: Solve for x
    x = 269,581,213,993.86/589,466.10
  6. Step 6: Final answer
    x = 457,331.16

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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.