Home / 1,091,235.15-1,505,750.22-619,726.86

Finding the Fourth Proportional to 1,091,235.15, 1,505,750.22 and 619,726.86

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Solution

The fourth proportional to 1,091,235.15, 1,505,750.22 and 619,726.86 is: 855,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,235.15 : 1,505,750.22 = 619,726.86 : x
  2. Step 2: Convert to fraction form
    1,091,235.15/1,505,750.22 = 619,726.86/x
  3. Step 3: Cross multiply
    1,091,235.15x = 1,505,750.22 × 619,726.86
  4. Step 4: Simplify right side
    1,091,235.15x = 933,153,855,784.91
  5. Step 5: Solve for x
    x = 933,153,855,784.91/1,091,235.15
  6. Step 6: Final answer
    x = 855,135.45

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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.