Home / 931,302.17-1,395,785.12-398,197.43

Finding the Fourth Proportional to 931,302.17, 1,395,785.12 and 398,197.43

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Solution

The fourth proportional to 931,302.17, 1,395,785.12 and 398,197.43 is: 596,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,302.17 : 1,395,785.12 = 398,197.43 : x
  2. Step 2: Convert to fraction form
    931,302.17/1,395,785.12 = 398,197.43/x
  3. Step 3: Cross multiply
    931,302.17x = 1,395,785.12 × 398,197.43
  4. Step 4: Simplify right side
    931,302.17x = 555,798,038,646.33
  5. Step 5: Solve for x
    x = 555,798,038,646.33/931,302.17
  6. Step 6: Final answer
    x = 596,796.68

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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.