Home / 621,124.84-931,929.18-247,185.64

Finding the Fourth Proportional to 621,124.84, 931,929.18 and 247,185.64

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Solution

The fourth proportional to 621,124.84, 931,929.18 and 247,185.64 is: 370,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,124.84 : 931,929.18 = 247,185.64 : x
  2. Step 2: Convert to fraction form
    621,124.84/931,929.18 = 247,185.64/x
  3. Step 3: Cross multiply
    621,124.84x = 931,929.18 × 247,185.64
  4. Step 4: Simplify right side
    621,124.84x = 230,359,510,792.98
  5. Step 5: Solve for x
    x = 230,359,510,792.98/621,124.84
  6. Step 6: Final answer
    x = 370,874.74

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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.