Home / 880,178.02-1,214,638.41-498,201.46

Finding the Fourth Proportional to 880,178.02, 1,214,638.41 and 498,201.46

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Solution

The fourth proportional to 880,178.02, 1,214,638.41 and 498,201.46 is: 687,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,178.02 : 1,214,638.41 = 498,201.46 : x
  2. Step 2: Convert to fraction form
    880,178.02/1,214,638.41 = 498,201.46/x
  3. Step 3: Cross multiply
    880,178.02x = 1,214,638.41 × 498,201.46
  4. Step 4: Simplify right side
    880,178.02x = 605,134,629,234.08
  5. Step 5: Solve for x
    x = 605,134,629,234.08/880,178.02
  6. Step 6: Final answer
    x = 687,513.91

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Double scale
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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.