Home / 733,649.94-1,012,495.59-406,995.17

Finding the Fourth Proportional to 733,649.94, 1,012,495.59 and 406,995.17

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Solution

The fourth proportional to 733,649.94, 1,012,495.59 and 406,995.17 is: 561,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,649.94 : 1,012,495.59 = 406,995.17 : x
  2. Step 2: Convert to fraction form
    733,649.94/1,012,495.59 = 406,995.17/x
  3. Step 3: Cross multiply
    733,649.94x = 1,012,495.59 × 406,995.17
  4. Step 4: Simplify right side
    733,649.94x = 412,080,809,713.82
  5. Step 5: Solve for x
    x = 412,080,809,713.82/733,649.94
  6. Step 6: Final answer
    x = 561,685.88

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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.