Home / 579,149.40-868,032.90-242,189.40

Finding the Fourth Proportional to 579,149.40, 868,032.90 and 242,189.40

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Solution

The fourth proportional to 579,149.40, 868,032.90 and 242,189.40 is: 362,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,149.40 : 868,032.90 = 242,189.40 : x
  2. Step 2: Convert to fraction form
    579,149.40/868,032.90 = 242,189.40/x
  3. Step 3: Cross multiply
    579,149.40x = 868,032.90 × 242,189.40
  4. Step 4: Simplify right side
    579,149.40x = 210,228,367,231.26
  5. Step 5: Solve for x
    x = 210,228,367,231.26/579,149.40
  6. Step 6: Final answer
    x = 362,995.05

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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.