Home / 776,139.57-1,164,209.66-349,176.77

Finding the Fourth Proportional to 776,139.57, 1,164,209.66 and 349,176.77

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Solution

The fourth proportional to 776,139.57, 1,164,209.66 and 349,176.77 is: 523,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,139.57 : 1,164,209.66 = 349,176.77 : x
  2. Step 2: Convert to fraction form
    776,139.57/1,164,209.66 = 349,176.77/x
  3. Step 3: Cross multiply
    776,139.57x = 1,164,209.66 × 349,176.77
  4. Step 4: Simplify right side
    776,139.57x = 406,514,973,338.54
  5. Step 5: Solve for x
    x = 406,514,973,338.54/776,139.57
  6. Step 6: Final answer
    x = 523,765.30

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1.5x scale

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.