Home / 707,271.68-1,060,792.32-208,520.96

Finding the Fourth Proportional to 707,271.68, 1,060,792.32 and 208,520.96

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Solution

The fourth proportional to 707,271.68, 1,060,792.32 and 208,520.96 is: 312,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,271.68 : 1,060,792.32 = 208,520.96 : x
  2. Step 2: Convert to fraction form
    707,271.68/1,060,792.32 = 208,520.96/x
  3. Step 3: Cross multiply
    707,271.68x = 1,060,792.32 × 208,520.96
  4. Step 4: Simplify right side
    707,271.68x = 221,197,432,927.03
  5. Step 5: Solve for x
    x = 221,197,432,927.03/707,271.68
  6. Step 6: Final answer
    x = 312,747.48

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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.