Home / 813,456.41-1,122,637.05-450,993.96

Finding the Fourth Proportional to 813,456.41, 1,122,637.05 and 450,993.96

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Solution

The fourth proportional to 813,456.41, 1,122,637.05 and 450,993.96 is: 622,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,456.41 : 1,122,637.05 = 450,993.96 : x
  2. Step 2: Convert to fraction form
    813,456.41/1,122,637.05 = 450,993.96/x
  3. Step 3: Cross multiply
    813,456.41x = 1,122,637.05 × 450,993.96
  4. Step 4: Simplify right side
    813,456.41x = 506,302,528,822.22
  5. Step 5: Solve for x
    x = 506,302,528,822.22/813,456.41
  6. Step 6: Final answer
    x = 622,408.93

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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.