Home / 671,189.12-926,106.72-384,799.04

Finding the Fourth Proportional to 671,189.12, 926,106.72 and 384,799.04

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Solution

The fourth proportional to 671,189.12, 926,106.72 and 384,799.04 is: 530,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,189.12 : 926,106.72 = 384,799.04 : x
  2. Step 2: Convert to fraction form
    671,189.12/926,106.72 = 384,799.04/x
  3. Step 3: Cross multiply
    671,189.12x = 926,106.72 × 384,799.04
  4. Step 4: Simplify right side
    671,189.12x = 356,364,976,793.55
  5. Step 5: Solve for x
    x = 356,364,976,793.55/671,189.12
  6. Step 6: Final answer
    x = 530,945.70

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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.