Home / 821,886.46-1,134,207.53-459,316.38

Finding the Fourth Proportional to 821,886.46, 1,134,207.53 and 459,316.38

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Solution

The fourth proportional to 821,886.46, 1,134,207.53 and 459,316.38 is: 633,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,886.46 : 1,134,207.53 = 459,316.38 : x
  2. Step 2: Convert to fraction form
    821,886.46/1,134,207.53 = 459,316.38/x
  3. Step 3: Cross multiply
    821,886.46x = 1,134,207.53 × 459,316.38
  4. Step 4: Simplify right side
    821,886.46x = 520,960,096,848.34
  5. Step 5: Solve for x
    x = 520,960,096,848.34/821,886.46
  6. Step 6: Final answer
    x = 633,858.96

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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.