Home / 708,200.70-1,059,709.05-521,576.70

Finding the Fourth Proportional to 708,200.70, 1,059,709.05 and 521,576.70

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Solution

The fourth proportional to 708,200.70, 1,059,709.05 and 521,576.70 is: 780,456.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,200.70 : 1,059,709.05 = 521,576.70 : x
  2. Step 2: Convert to fraction form
    708,200.70/1,059,709.05 = 521,576.70/x
  3. Step 3: Cross multiply
    708,200.70x = 1,059,709.05 × 521,576.70
  4. Step 4: Simplify right side
    708,200.70x = 552,719,549,259.14
  5. Step 5: Solve for x
    x = 552,719,549,259.14/708,200.70
  6. Step 6: Final answer
    x = 780,456.09

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1.5x scale

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.