Home / 1,151,089.16-1,588,504.02-641,781.32

Finding the Fourth Proportional to 1,151,089.16, 1,588,504.02 and 641,781.32

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Solution

The fourth proportional to 1,151,089.16, 1,588,504.02 and 641,781.32 is: 885,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,089.16 : 1,588,504.02 = 641,781.32 : x
  2. Step 2: Convert to fraction form
    1,151,089.16/1,588,504.02 = 641,781.32/x
  3. Step 3: Cross multiply
    1,151,089.16x = 1,588,504.02 × 641,781.32
  4. Step 4: Simplify right side
    1,151,089.16x = 1,019,472,206,780.91
  5. Step 5: Solve for x
    x = 1,019,472,206,780.91/1,151,089.16
  6. Step 6: Final answer
    x = 885,658.77

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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.