Home / 637,738.02-880,045.25-396,015.41

Finding the Fourth Proportional to 637,738.02, 880,045.25 and 396,015.41

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Solution

The fourth proportional to 637,738.02, 880,045.25 and 396,015.41 is: 546,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,738.02 : 880,045.25 = 396,015.41 : x
  2. Step 2: Convert to fraction form
    637,738.02/880,045.25 = 396,015.41/x
  3. Step 3: Cross multiply
    637,738.02x = 880,045.25 × 396,015.41
  4. Step 4: Simplify right side
    637,738.02x = 348,511,474,117.00
  5. Step 5: Solve for x
    x = 348,511,474,117.00/637,738.02
  6. Step 6: Final answer
    x = 546,480.63

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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.