Home / 742,067.71-1,024,053.77-419,770.93

Finding the Fourth Proportional to 742,067.71, 1,024,053.77 and 419,770.93

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Solution

The fourth proportional to 742,067.71, 1,024,053.77 and 419,770.93 is: 579,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,067.71 : 1,024,053.77 = 419,770.93 : x
  2. Step 2: Convert to fraction form
    742,067.71/1,024,053.77 = 419,770.93/x
  3. Step 3: Cross multiply
    742,067.71x = 1,024,053.77 × 419,770.93
  4. Step 4: Simplify right side
    742,067.71x = 429,868,003,402.91
  5. Step 5: Solve for x
    x = 429,868,003,402.91/742,067.71
  6. Step 6: Final answer
    x = 579,284.07

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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.