Home / 826,647.93-1,140,840.05-464,095.58

Finding the Fourth Proportional to 826,647.93, 1,140,840.05 and 464,095.58

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Solution

The fourth proportional to 826,647.93, 1,140,840.05 and 464,095.58 is: 640,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,647.93 : 1,140,840.05 = 464,095.58 : x
  2. Step 2: Convert to fraction form
    826,647.93/1,140,840.05 = 464,095.58/x
  3. Step 3: Cross multiply
    826,647.93x = 1,140,840.05 × 464,095.58
  4. Step 4: Simplify right side
    826,647.93x = 529,458,816,667.30
  5. Step 5: Solve for x
    x = 529,458,816,667.30/826,647.93
  6. Step 6: Final answer
    x = 640,488.89

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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.