Home / 931,357.02-1,395,866.85-398,251.17

Finding the Fourth Proportional to 931,357.02, 1,395,866.85 and 398,251.17

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Solution

The fourth proportional to 931,357.02, 1,395,866.85 and 398,251.17 is: 596,877.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,357.02 : 1,395,866.85 = 398,251.17 : x
  2. Step 2: Convert to fraction form
    931,357.02/1,395,866.85 = 398,251.17/x
  3. Step 3: Cross multiply
    931,357.02x = 1,395,866.85 × 398,251.17
  4. Step 4: Simplify right side
    931,357.02x = 555,905,599,197.38
  5. Step 5: Solve for x
    x = 555,905,599,197.38/931,357.02
  6. Step 6: Final answer
    x = 596,877.02

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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.