Home / 1,163,031.53-1,742,766.70-782,542.94

Finding the Fourth Proportional to 1,163,031.53, 1,742,766.70 and 782,542.94

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Solution

The fourth proportional to 1,163,031.53, 1,742,766.70 and 782,542.94 is: 1,172,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,031.53 : 1,742,766.70 = 782,542.94 : x
  2. Step 2: Convert to fraction form
    1,163,031.53/1,742,766.70 = 782,542.94/x
  3. Step 3: Cross multiply
    1,163,031.53x = 1,742,766.70 × 782,542.94
  4. Step 4: Simplify right side
    1,163,031.53x = 1,363,789,777,152.10
  5. Step 5: Solve for x
    x = 1,363,789,777,152.10/1,163,031.53
  6. Step 6: Final answer
    x = 1,172,616.34

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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.