Home / 563,120.22-776,483.19-358,847.57

Finding the Fourth Proportional to 563,120.22, 776,483.19 and 358,847.57

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Solution

The fourth proportional to 563,120.22, 776,483.19 and 358,847.57 is: 494,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,120.22 : 776,483.19 = 358,847.57 : x
  2. Step 2: Convert to fraction form
    563,120.22/776,483.19 = 358,847.57/x
  3. Step 3: Cross multiply
    563,120.22x = 776,483.19 × 358,847.57
  4. Step 4: Simplify right side
    563,120.22x = 278,639,101,994.93
  5. Step 5: Solve for x
    x = 278,639,101,994.93/563,120.22
  6. Step 6: Final answer
    x = 494,812.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.