Home / 813,313.01-1,122,305.86-450,752.15

Finding the Fourth Proportional to 813,313.01, 1,122,305.86 and 450,752.15

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Solution

The fourth proportional to 813,313.01, 1,122,305.86 and 450,752.15 is: 622,001.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,313.01 : 1,122,305.86 = 450,752.15 : x
  2. Step 2: Convert to fraction form
    813,313.01/1,122,305.86 = 450,752.15/x
  3. Step 3: Cross multiply
    813,313.01x = 1,122,305.86 × 450,752.15
  4. Step 4: Simplify right side
    813,313.01x = 505,881,782,721.80
  5. Step 5: Solve for x
    x = 505,881,782,721.80/813,313.01
  6. Step 6: Final answer
    x = 622,001.34

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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.