Home / 821,967.96-1,134,220.14-459,392.52

Finding the Fourth Proportional to 821,967.96, 1,134,220.14 and 459,392.52

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Solution

The fourth proportional to 821,967.96, 1,134,220.14 and 459,392.52 is: 633,908.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,967.96 : 1,134,220.14 = 459,392.52 : x
  2. Step 2: Convert to fraction form
    821,967.96/1,134,220.14 = 459,392.52/x
  3. Step 3: Cross multiply
    821,967.96x = 1,134,220.14 × 459,392.52
  4. Step 4: Simplify right side
    821,967.96x = 521,052,248,349.35
  5. Step 5: Solve for x
    x = 521,052,248,349.35/821,967.96
  6. Step 6: Final answer
    x = 633,908.22

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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.