Home / 931,508.57-1,396,908.24-611,574.87

Finding the Fourth Proportional to 931,508.57, 1,396,908.24 and 611,574.87

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Solution

The fourth proportional to 931,508.57, 1,396,908.24 and 611,574.87 is: 917,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,508.57 : 1,396,908.24 = 611,574.87 : x
  2. Step 2: Convert to fraction form
    931,508.57/1,396,908.24 = 611,574.87/x
  3. Step 3: Cross multiply
    931,508.57x = 1,396,908.24 × 611,574.87
  4. Step 4: Simplify right side
    931,508.57x = 854,313,975,279.93
  5. Step 5: Solve for x
    x = 854,313,975,279.93/931,508.57
  6. Step 6: Final answer
    x = 917,129.49

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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.