Home / 1,005,806.33-1,387,673.05-570,176.97

Finding the Fourth Proportional to 1,005,806.33, 1,387,673.05 and 570,176.97

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Solution

The fourth proportional to 1,005,806.33, 1,387,673.05 and 570,176.97 is: 786,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,806.33 : 1,387,673.05 = 570,176.97 : x
  2. Step 2: Convert to fraction form
    1,005,806.33/1,387,673.05 = 570,176.97/x
  3. Step 3: Cross multiply
    1,005,806.33x = 1,387,673.05 × 570,176.97
  4. Step 4: Simplify right side
    1,005,806.33x = 791,219,214,999.66
  5. Step 5: Solve for x
    x = 791,219,214,999.66/1,005,806.33
  6. Step 6: Final answer
    x = 786,651.66

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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.