Home / 587,684.32-811,337.40-449,603.46

Finding the Fourth Proportional to 587,684.32, 811,337.40 and 449,603.46

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Solution

The fourth proportional to 587,684.32, 811,337.40 and 449,603.46 is: 620,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,684.32 : 811,337.40 = 449,603.46 : x
  2. Step 2: Convert to fraction form
    587,684.32/811,337.40 = 449,603.46/x
  3. Step 3: Cross multiply
    587,684.32x = 811,337.40 × 449,603.46
  4. Step 4: Simplify right side
    587,684.32x = 364,780,102,267.40
  5. Step 5: Solve for x
    x = 364,780,102,267.40/587,684.32
  6. Step 6: Final answer
    x = 620,707.56

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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.