Home / 1,243,323.90-1,715,784.05-699,459.53

Finding the Fourth Proportional to 1,243,323.90, 1,715,784.05 and 699,459.53

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Solution

The fourth proportional to 1,243,323.90, 1,715,784.05 and 699,459.53 is: 965,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,323.90 : 1,715,784.05 = 699,459.53 : x
  2. Step 2: Convert to fraction form
    1,243,323.90/1,715,784.05 = 699,459.53/x
  3. Step 3: Cross multiply
    1,243,323.90x = 1,715,784.05 × 699,459.53
  4. Step 4: Simplify right side
    1,243,323.90x = 1,200,121,498,364.23
  5. Step 5: Solve for x
    x = 1,200,121,498,364.23/1,243,323.90
  6. Step 6: Final answer
    x = 965,252.50

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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.