Home / 1,066,710.54-1,600,067.38-435,624.38

Finding the Fourth Proportional to 1,066,710.54, 1,600,067.38 and 435,624.38

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Solution

The fourth proportional to 1,066,710.54, 1,600,067.38 and 435,624.38 is: 653,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,710.54 : 1,600,067.38 = 435,624.38 : x
  2. Step 2: Convert to fraction form
    1,066,710.54/1,600,067.38 = 435,624.38/x
  3. Step 3: Cross multiply
    1,066,710.54x = 1,600,067.38 × 435,624.38
  4. Step 4: Simplify right side
    1,066,710.54x = 697,028,360,370.72
  5. Step 5: Solve for x
    x = 697,028,360,370.72/1,066,710.54
  6. Step 6: Final answer
    x = 653,437.21

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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.