Home / 1,112,711.24-1,668,329.50-402,646.92

Finding the Fourth Proportional to 1,112,711.24, 1,668,329.50 and 402,646.92

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Solution

The fourth proportional to 1,112,711.24, 1,668,329.50 and 402,646.92 is: 603,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,711.24 : 1,668,329.50 = 402,646.92 : x
  2. Step 2: Convert to fraction form
    1,112,711.24/1,668,329.50 = 402,646.92/x
  3. Step 3: Cross multiply
    1,112,711.24x = 1,668,329.50 × 402,646.92
  4. Step 4: Simplify right side
    1,112,711.24x = 671,747,734,720.14
  5. Step 5: Solve for x
    x = 671,747,734,720.14/1,112,711.24
  6. Step 6: Final answer
    x = 603,703.56

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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.