Home / 707,129.85-975,820.49-384,833.03

Finding the Fourth Proportional to 707,129.85, 975,820.49 and 384,833.03

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Solution

The fourth proportional to 707,129.85, 975,820.49 and 384,833.03 is: 531,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,129.85 : 975,820.49 = 384,833.03 : x
  2. Step 2: Convert to fraction form
    707,129.85/975,820.49 = 384,833.03/x
  3. Step 3: Cross multiply
    707,129.85x = 975,820.49 × 384,833.03
  4. Step 4: Simplify right side
    707,129.85x = 375,527,951,624.98
  5. Step 5: Solve for x
    x = 375,527,951,624.98/707,129.85
  6. Step 6: Final answer
    x = 531,059.40

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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.