Home / 813,435.57-1,122,608.34-450,973.17

Finding the Fourth Proportional to 813,435.57, 1,122,608.34 and 450,973.17

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Solution

The fourth proportional to 813,435.57, 1,122,608.34 and 450,973.17 is: 622,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,435.57 : 1,122,608.34 = 450,973.17 : x
  2. Step 2: Convert to fraction form
    813,435.57/1,122,608.34 = 450,973.17/x
  3. Step 3: Cross multiply
    813,435.57x = 1,122,608.34 × 450,973.17
  4. Step 4: Simplify right side
    813,435.57x = 506,266,241,758.24
  5. Step 5: Solve for x
    x = 506,266,241,758.24/813,435.57
  6. Step 6: Final answer
    x = 622,380.26

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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.