Home / 1,229,841.79-1,697,108.58-713,555.69

Finding the Fourth Proportional to 1,229,841.79, 1,697,108.58 and 713,555.69

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Solution

The fourth proportional to 1,229,841.79, 1,697,108.58 and 713,555.69 is: 984,664.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,841.79 : 1,697,108.58 = 713,555.69 : x
  2. Step 2: Convert to fraction form
    1,229,841.79/1,697,108.58 = 713,555.69/x
  3. Step 3: Cross multiply
    1,229,841.79x = 1,697,108.58 × 713,555.69
  4. Step 4: Simplify right side
    1,229,841.79x = 1,210,981,483,806.82
  5. Step 5: Solve for x
    x = 1,210,981,483,806.82/1,229,841.79
  6. Step 6: Final answer
    x = 984,664.45

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Double scale
Find fourth proportional to 1,229,842.79, 1,697,109.96 and 713,556.69
Similar ratio
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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.