Home / 859,885.47-1,186,633.40-477,904.05

Finding the Fourth Proportional to 859,885.47, 1,186,633.40 and 477,904.05

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Solution

The fourth proportional to 859,885.47, 1,186,633.40 and 477,904.05 is: 659,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,885.47 : 1,186,633.40 = 477,904.05 : x
  2. Step 2: Convert to fraction form
    859,885.47/1,186,633.40 = 477,904.05/x
  3. Step 3: Cross multiply
    859,885.47x = 1,186,633.40 × 477,904.05
  4. Step 4: Simplify right side
    859,885.47x = 567,096,905,335.75
  5. Step 5: Solve for x
    x = 567,096,905,335.75/859,885.47
  6. Step 6: Final answer
    x = 659,502.84

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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.