Home / 1,242,928.07-1,715,223.83-699,063.71

Finding the Fourth Proportional to 1,242,928.07, 1,715,223.83 and 699,063.71

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Solution

The fourth proportional to 1,242,928.07, 1,715,223.83 and 699,063.71 is: 964,698.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,928.07 : 1,715,223.83 = 699,063.71 : x
  2. Step 2: Convert to fraction form
    1,242,928.07/1,715,223.83 = 699,063.71/x
  3. Step 3: Cross multiply
    1,242,928.07x = 1,715,223.83 × 699,063.71
  4. Step 4: Simplify right side
    1,242,928.07x = 1,199,050,736,840.83
  5. Step 5: Solve for x
    x = 1,199,050,736,840.83/1,242,928.07
  6. Step 6: Final answer
    x = 964,698.42

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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.