Home / 1,066,710.78-1,600,067.76-435,624.63

Finding the Fourth Proportional to 1,066,710.78, 1,600,067.76 and 435,624.63

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Solution

The fourth proportional to 1,066,710.78, 1,600,067.76 and 435,624.63 is: 653,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,710.78 : 1,600,067.76 = 435,624.63 : x
  2. Step 2: Convert to fraction form
    1,066,710.78/1,600,067.76 = 435,624.63/x
  3. Step 3: Cross multiply
    1,066,710.78x = 1,600,067.76 × 435,624.63
  4. Step 4: Simplify right side
    1,066,710.78x = 697,028,925,924.93
  5. Step 5: Solve for x
    x = 697,028,925,924.93/1,066,710.78
  6. Step 6: Final answer
    x = 653,437.59

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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.