Home / 821,675.77-1,133,904.77-459,162.07

Finding the Fourth Proportional to 821,675.77, 1,133,904.77 and 459,162.07

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Solution

The fourth proportional to 821,675.77, 1,133,904.77 and 459,162.07 is: 633,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,675.77 : 1,133,904.77 = 459,162.07 : x
  2. Step 2: Convert to fraction form
    821,675.77/1,133,904.77 = 459,162.07/x
  3. Step 3: Cross multiply
    821,675.77x = 1,133,904.77 × 459,162.07
  4. Step 4: Simplify right side
    821,675.77x = 520,646,059,080.26
  5. Step 5: Solve for x
    x = 520,646,059,080.26/821,675.77
  6. Step 6: Final answer
    x = 633,639.30

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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.