Home / 1,396,347.99-2,094,480.13-385,531.71

Finding the Fourth Proportional to 1,396,347.99, 2,094,480.13 and 385,531.71

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Solution

The fourth proportional to 1,396,347.99, 2,094,480.13 and 385,531.71 is: 578,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,347.99 : 2,094,480.13 = 385,531.71 : x
  2. Step 2: Convert to fraction form
    1,396,347.99/2,094,480.13 = 385,531.71/x
  3. Step 3: Cross multiply
    1,396,347.99x = 2,094,480.13 × 385,531.71
  4. Step 4: Simplify right side
    1,396,347.99x = 807,488,506,079.92
  5. Step 5: Solve for x
    x = 807,488,506,079.92/1,396,347.99
  6. Step 6: Final answer
    x = 578,286.01

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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.