Home / 692,995.50-1,039,907.97-299,011.50

Finding the Fourth Proportional to 692,995.50, 1,039,907.97 and 299,011.50

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Solution

The fourth proportional to 692,995.50, 1,039,907.97 and 299,011.50 is: 448,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,995.50 : 1,039,907.97 = 299,011.50 : x
  2. Step 2: Convert to fraction form
    692,995.50/1,039,907.97 = 299,011.50/x
  3. Step 3: Cross multiply
    692,995.50x = 1,039,907.97 × 299,011.50
  4. Step 4: Simplify right side
    692,995.50x = 310,944,441,971.66
  5. Step 5: Solve for x
    x = 310,944,441,971.66/692,995.50
  6. Step 6: Final answer
    x = 448,696.19

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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.