Home / 914,891.91-1,262,553.78-507,000.47

Finding the Fourth Proportional to 914,891.91, 1,262,553.78 and 507,000.47

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Solution

The fourth proportional to 914,891.91, 1,262,553.78 and 507,000.47 is: 699,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,891.91 : 1,262,553.78 = 507,000.47 : x
  2. Step 2: Convert to fraction form
    914,891.91/1,262,553.78 = 507,000.47/x
  3. Step 3: Cross multiply
    914,891.91x = 1,262,553.78 × 507,000.47
  4. Step 4: Simplify right side
    914,891.91x = 640,115,355,448.76
  5. Step 5: Solve for x
    x = 640,115,355,448.76/914,891.91
  6. Step 6: Final answer
    x = 699,662.27

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1.5x scale

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.