Home / 826,864.30-1,239,115.65-471,126.70

Finding the Fourth Proportional to 826,864.30, 1,239,115.65 and 471,126.70

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Solution

The fourth proportional to 826,864.30, 1,239,115.65 and 471,126.70 is: 706,017.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,864.30 : 1,239,115.65 = 471,126.70 : x
  2. Step 2: Convert to fraction form
    826,864.30/1,239,115.65 = 471,126.70/x
  3. Step 3: Cross multiply
    826,864.30x = 1,239,115.65 × 471,126.70
  4. Step 4: Simplify right side
    826,864.30x = 583,780,467,102.86
  5. Step 5: Solve for x
    x = 583,780,467,102.86/826,864.30
  6. Step 6: Final answer
    x = 706,017.26

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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.