Home / 763,387.64-1,144,745.18-358,695.01

Finding the Fourth Proportional to 763,387.64, 1,144,745.18 and 358,695.01

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Solution

The fourth proportional to 763,387.64, 1,144,745.18 and 358,695.01 is: 537,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,387.64 : 1,144,745.18 = 358,695.01 : x
  2. Step 2: Convert to fraction form
    763,387.64/1,144,745.18 = 358,695.01/x
  3. Step 3: Cross multiply
    763,387.64x = 1,144,745.18 × 358,695.01
  4. Step 4: Simplify right side
    763,387.64x = 410,614,383,787.55
  5. Step 5: Solve for x
    x = 410,614,383,787.55/763,387.64
  6. Step 6: Final answer
    x = 537,884.51

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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.