Home / 931,358.14-1,395,868.54-398,252.29

Finding the Fourth Proportional to 931,358.14, 1,395,868.54 and 398,252.29

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Solution

The fourth proportional to 931,358.14, 1,395,868.54 and 398,252.29 is: 596,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,358.14 : 1,395,868.54 = 398,252.29 : x
  2. Step 2: Convert to fraction form
    931,358.14/1,395,868.54 = 398,252.29/x
  3. Step 3: Cross multiply
    931,358.14x = 1,395,868.54 × 398,252.29
  4. Step 4: Simplify right side
    931,358.14x = 555,907,842,593.96
  5. Step 5: Solve for x
    x = 555,907,842,593.96/931,358.14
  6. Step 6: Final answer
    x = 596,878.71

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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.