Home / 571,128.20-854,849.10-526,891.40

Finding the Fourth Proportional to 571,128.20, 854,849.10 and 526,891.40

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Solution

The fourth proportional to 571,128.20, 854,849.10 and 526,891.40 is: 788,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,128.20 : 854,849.10 = 526,891.40 : x
  2. Step 2: Convert to fraction form
    571,128.20/854,849.10 = 526,891.40/x
  3. Step 3: Cross multiply
    571,128.20x = 854,849.10 × 526,891.40
  4. Step 4: Simplify right side
    571,128.20x = 450,412,639,087.74
  5. Step 5: Solve for x
    x = 450,412,639,087.74/571,128.20
  6. Step 6: Final answer
    x = 788,636.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.