Home / 623,190.16-934,411.15-285,808.15

Finding the Fourth Proportional to 623,190.16, 934,411.15 and 285,808.15

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Solution

The fourth proportional to 623,190.16, 934,411.15 and 285,808.15 is: 428,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,190.16 : 934,411.15 = 285,808.15 : x
  2. Step 2: Convert to fraction form
    623,190.16/934,411.15 = 285,808.15/x
  3. Step 3: Cross multiply
    623,190.16x = 934,411.15 × 285,808.15
  4. Step 4: Simplify right side
    623,190.16x = 267,062,322,120.87
  5. Step 5: Solve for x
    x = 267,062,322,120.87/623,190.16
  6. Step 6: Final answer
    x = 428,540.66

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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.