Home / 677,155.15-934,453.86-371,221.07

Finding the Fourth Proportional to 677,155.15, 934,453.86 and 371,221.07

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Solution

The fourth proportional to 677,155.15, 934,453.86 and 371,221.07 is: 512,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,155.15 : 934,453.86 = 371,221.07 : x
  2. Step 2: Convert to fraction form
    677,155.15/934,453.86 = 371,221.07/x
  3. Step 3: Cross multiply
    677,155.15x = 934,453.86 × 371,221.07
  4. Step 4: Simplify right side
    677,155.15x = 346,888,962,010.84
  5. Step 5: Solve for x
    x = 346,888,962,010.84/677,155.15
  6. Step 6: Final answer
    x = 512,273.98

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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.