Home / 813,553.35-1,122,585.73-450,977.10

Finding the Fourth Proportional to 813,553.35, 1,122,585.73 and 450,977.10

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Solution

The fourth proportional to 813,553.35, 1,122,585.73 and 450,977.10 is: 622,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,553.35 : 1,122,585.73 = 450,977.10 : x
  2. Step 2: Convert to fraction form
    813,553.35/1,122,585.73 = 450,977.10/x
  3. Step 3: Cross multiply
    813,553.35x = 1,122,585.73 × 450,977.10
  4. Step 4: Simplify right side
    813,553.35x = 506,260,455,889.34
  5. Step 5: Solve for x
    x = 506,260,455,889.34/813,553.35
  6. Step 6: Final answer
    x = 622,283.04

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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.