Home / 861,058.09-1,188,424.67-570,156.56

Finding the Fourth Proportional to 861,058.09, 1,188,424.67 and 570,156.56

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Solution

The fourth proportional to 861,058.09, 1,188,424.67 and 570,156.56 is: 786,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,058.09 : 1,188,424.67 = 570,156.56 : x
  2. Step 2: Convert to fraction form
    861,058.09/1,188,424.67 = 570,156.56/x
  3. Step 3: Cross multiply
    861,058.09x = 1,188,424.67 × 570,156.56
  4. Step 4: Simplify right side
    861,058.09x = 677,588,112,873.43
  5. Step 5: Solve for x
    x = 677,588,112,873.43/861,058.09
  6. Step 6: Final answer
    x = 786,924.98

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1.5x scale

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.