Home / 821,557.72-1,133,802.86-458,983.53

Finding the Fourth Proportional to 821,557.72, 1,133,802.86 and 458,983.53

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Solution

The fourth proportional to 821,557.72, 1,133,802.86 and 458,983.53 is: 633,427.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,557.72 : 1,133,802.86 = 458,983.53 : x
  2. Step 2: Convert to fraction form
    821,557.72/1,133,802.86 = 458,983.53/x
  3. Step 3: Cross multiply
    821,557.72x = 1,133,802.86 × 458,983.53
  4. Step 4: Simplify right side
    821,557.72x = 520,396,839,006.90
  5. Step 5: Solve for x
    x = 520,396,839,006.90/821,557.72
  6. Step 6: Final answer
    x = 633,427.00

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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.