Home / 821,767.96-1,134,018.03-459,194.80

Finding the Fourth Proportional to 821,767.96, 1,134,018.03 and 459,194.80

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Solution

The fourth proportional to 821,767.96, 1,134,018.03 and 459,194.80 is: 633,676.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,767.96 : 1,134,018.03 = 459,194.80 : x
  2. Step 2: Convert to fraction form
    821,767.96/1,134,018.03 = 459,194.80/x
  3. Step 3: Cross multiply
    821,767.96x = 1,134,018.03 × 459,194.80
  4. Step 4: Simplify right side
    821,767.96x = 520,735,182,482.24
  5. Step 5: Solve for x
    x = 520,735,182,482.24/821,767.96
  6. Step 6: Final answer
    x = 633,676.67

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Double scale
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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.