Home / 677,216.07-934,568.73-371,320.38

Finding the Fourth Proportional to 677,216.07, 934,568.73 and 371,320.38

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Solution

The fourth proportional to 677,216.07, 934,568.73 and 371,320.38 is: 512,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,216.07 : 934,568.73 = 371,320.38 : x
  2. Step 2: Convert to fraction form
    677,216.07/934,568.73 = 371,320.38/x
  3. Step 3: Cross multiply
    677,216.07x = 934,568.73 × 371,320.38
  4. Step 4: Simplify right side
    677,216.07x = 347,024,415,959.72
  5. Step 5: Solve for x
    x = 347,024,415,959.72/677,216.07
  6. Step 6: Final answer
    x = 512,427.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.