Home / 1,222,390.72-1,833,961.48-583,509.72

Finding the Fourth Proportional to 1,222,390.72, 1,833,961.48 and 583,509.72

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Solution

The fourth proportional to 1,222,390.72, 1,833,961.48 and 583,509.72 is: 875,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,390.72 : 1,833,961.48 = 583,509.72 : x
  2. Step 2: Convert to fraction form
    1,222,390.72/1,833,961.48 = 583,509.72/x
  3. Step 3: Cross multiply
    1,222,390.72x = 1,833,961.48 × 583,509.72
  4. Step 4: Simplify right side
    1,222,390.72x = 1,070,134,349,685.59
  5. Step 5: Solve for x
    x = 1,070,134,349,685.59/1,222,390.72
  6. Step 6: Final answer
    x = 875,443.78

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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.