Home / 682,992.18-942,848.13-396,457.11

Finding the Fourth Proportional to 682,992.18, 942,848.13 and 396,457.11

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Solution

The fourth proportional to 682,992.18, 942,848.13 and 396,457.11 is: 547,295.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,992.18 : 942,848.13 = 396,457.11 : x
  2. Step 2: Convert to fraction form
    682,992.18/942,848.13 = 396,457.11/x
  3. Step 3: Cross multiply
    682,992.18x = 942,848.13 × 396,457.11
  4. Step 4: Simplify right side
    682,992.18x = 373,798,844,788.70
  5. Step 5: Solve for x
    x = 373,798,844,788.70/682,992.18
  6. Step 6: Final answer
    x = 547,295.94

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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.