Home / 1,010,403.91-1,515,601.61-411,223.02

Finding the Fourth Proportional to 1,010,403.91, 1,515,601.61 and 411,223.02

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Solution

The fourth proportional to 1,010,403.91, 1,515,601.61 and 411,223.02 is: 616,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,403.91 : 1,515,601.61 = 411,223.02 : x
  2. Step 2: Convert to fraction form
    1,010,403.91/1,515,601.61 = 411,223.02/x
  3. Step 3: Cross multiply
    1,010,403.91x = 1,515,601.61 × 411,223.02
  4. Step 4: Simplify right side
    1,010,403.91x = 623,250,263,603.05
  5. Step 5: Solve for x
    x = 623,250,263,603.05/1,010,403.91
  6. Step 6: Final answer
    x = 616,832.79

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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.