Home / 626,688.43-864,738.80-358,364.59

Finding the Fourth Proportional to 626,688.43, 864,738.80 and 358,364.59

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Solution

The fourth proportional to 626,688.43, 864,738.80 and 358,364.59 is: 494,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,688.43 : 864,738.80 = 358,364.59 : x
  2. Step 2: Convert to fraction form
    626,688.43/864,738.80 = 358,364.59/x
  3. Step 3: Cross multiply
    626,688.43x = 864,738.80 × 358,364.59
  4. Step 4: Simplify right side
    626,688.43x = 309,891,763,727.27
  5. Step 5: Solve for x
    x = 309,891,763,727.27/626,688.43
  6. Step 6: Final answer
    x = 494,490.96

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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.