Home / 707,586.60-1,061,379.90-471,390.60

Finding the Fourth Proportional to 707,586.60, 1,061,379.90 and 471,390.60

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Solution

The fourth proportional to 707,586.60, 1,061,379.90 and 471,390.60 is: 707,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,586.60 : 1,061,379.90 = 471,390.60 : x
  2. Step 2: Convert to fraction form
    707,586.60/1,061,379.90 = 471,390.60/x
  3. Step 3: Cross multiply
    707,586.60x = 1,061,379.90 × 471,390.60
  4. Step 4: Simplify right side
    707,586.60x = 500,324,507,888.94
  5. Step 5: Solve for x
    x = 500,324,507,888.94/707,586.60
  6. Step 6: Final answer
    x = 707,085.90

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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.