Home / 1,141,193.99-1,711,810.42-431,556.23

Finding the Fourth Proportional to 1,141,193.99, 1,711,810.42 and 431,556.23

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Solution

The fourth proportional to 1,141,193.99, 1,711,810.42 and 431,556.23 is: 647,341.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,193.99 : 1,711,810.42 = 431,556.23 : x
  2. Step 2: Convert to fraction form
    1,141,193.99/1,711,810.42 = 431,556.23/x
  3. Step 3: Cross multiply
    1,141,193.99x = 1,711,810.42 × 431,556.23
  4. Step 4: Simplify right side
    1,141,193.99x = 738,742,451,329.92
  5. Step 5: Solve for x
    x = 738,742,451,329.92/1,141,193.99
  6. Step 6: Final answer
    x = 647,341.69

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Double scale
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1.5x scale

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.