Home / 681,029.29-939,826.77-375,106.77

Finding the Fourth Proportional to 681,029.29, 939,826.77 and 375,106.77

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Solution

The fourth proportional to 681,029.29, 939,826.77 and 375,106.77 is: 517,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,029.29 : 939,826.77 = 375,106.77 : x
  2. Step 2: Convert to fraction form
    681,029.29/939,826.77 = 375,106.77/x
  3. Step 3: Cross multiply
    681,029.29x = 939,826.77 × 375,106.77
  4. Step 4: Simplify right side
    681,029.29x = 352,535,379,355.10
  5. Step 5: Solve for x
    x = 352,535,379,355.10/681,029.29
  6. Step 6: Final answer
    x = 517,650.84

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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.