Home / 862,556.15-1,190,335.55-475,385.76

Finding the Fourth Proportional to 862,556.15, 1,190,335.55 and 475,385.76

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Solution

The fourth proportional to 862,556.15, 1,190,335.55 and 475,385.76 is: 656,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,556.15 : 1,190,335.55 = 475,385.76 : x
  2. Step 2: Convert to fraction form
    862,556.15/1,190,335.55 = 475,385.76/x
  3. Step 3: Cross multiply
    862,556.15x = 1,190,335.55 × 475,385.76
  4. Step 4: Simplify right side
    862,556.15x = 565,868,570,091.77
  5. Step 5: Solve for x
    x = 565,868,570,091.77/862,556.15
  6. Step 6: Final answer
    x = 656,036.79

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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.