Home / 814,243.19-1,123,662.38-451,690.83

Finding the Fourth Proportional to 814,243.19, 1,123,662.38 and 451,690.83

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Solution

The fourth proportional to 814,243.19, 1,123,662.38 and 451,690.83 is: 623,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,243.19 : 1,123,662.38 = 451,690.83 : x
  2. Step 2: Convert to fraction form
    814,243.19/1,123,662.38 = 451,690.83/x
  3. Step 3: Cross multiply
    814,243.19x = 1,123,662.38 × 451,690.83
  4. Step 4: Simplify right side
    814,243.19x = 507,547,990,803.52
  5. Step 5: Solve for x
    x = 507,547,990,803.52/814,243.19
  6. Step 6: Final answer
    x = 623,337.11

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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.