Home / 821,881.86-1,134,098.74-454,309.36

Finding the Fourth Proportional to 821,881.86, 1,134,098.74 and 454,309.36

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Solution

The fourth proportional to 821,881.86, 1,134,098.74 and 454,309.36 is: 626,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,881.86 : 1,134,098.74 = 454,309.36 : x
  2. Step 2: Convert to fraction form
    821,881.86/1,134,098.74 = 454,309.36/x
  3. Step 3: Cross multiply
    821,881.86x = 1,134,098.74 × 454,309.36
  4. Step 4: Simplify right side
    821,881.86x = 515,231,668,775.19
  5. Step 5: Solve for x
    x = 515,231,668,775.19/821,881.86
  6. Step 6: Final answer
    x = 626,892.62

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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.