Home / 811,966.44-1,217,616.60-243,147.16

Finding the Fourth Proportional to 811,966.44, 1,217,616.60 and 243,147.16

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Solution

The fourth proportional to 811,966.44, 1,217,616.60 and 243,147.16 is: 364,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,966.44 : 1,217,616.60 = 243,147.16 : x
  2. Step 2: Convert to fraction form
    811,966.44/1,217,616.60 = 243,147.16/x
  3. Step 3: Cross multiply
    811,966.44x = 1,217,616.60 × 243,147.16
  4. Step 4: Simplify right side
    811,966.44x = 296,060,018,258.86
  5. Step 5: Solve for x
    x = 296,060,018,258.86/811,966.44
  6. Step 6: Final answer
    x = 364,621.00

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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.