Home / 742,451.50-1,024,053.72-681,394.44

Finding the Fourth Proportional to 742,451.50, 1,024,053.72 and 681,394.44

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Solution

The fourth proportional to 742,451.50, 1,024,053.72 and 681,394.44 is: 939,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,451.50 : 1,024,053.72 = 681,394.44 : x
  2. Step 2: Convert to fraction form
    742,451.50/1,024,053.72 = 681,394.44/x
  3. Step 3: Cross multiply
    742,451.50x = 1,024,053.72 × 681,394.44
  4. Step 4: Simplify right side
    742,451.50x = 697,784,511,069.32
  5. Step 5: Solve for x
    x = 697,784,511,069.32/742,451.50
  6. Step 6: Final answer
    x = 939,838.51

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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.