Home / 1,432,977.01-1,976,668.56-916,542.47

Finding the Fourth Proportional to 1,432,977.01, 1,976,668.56 and 916,542.47

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Solution

The fourth proportional to 1,432,977.01, 1,976,668.56 and 916,542.47 is: 1,264,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,977.01 : 1,976,668.56 = 916,542.47 : x
  2. Step 2: Convert to fraction form
    1,432,977.01/1,976,668.56 = 916,542.47/x
  3. Step 3: Cross multiply
    1,432,977.01x = 1,976,668.56 × 916,542.47
  4. Step 4: Simplify right side
    1,432,977.01x = 1,811,700,689,295.41
  5. Step 5: Solve for x
    x = 1,811,700,689,295.41/1,432,977.01
  6. Step 6: Final answer
    x = 1,264,291.53

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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.