Home / 991,984.05-1,369,045.01-562,218.04

Finding the Fourth Proportional to 991,984.05, 1,369,045.01 and 562,218.04

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Solution

The fourth proportional to 991,984.05, 1,369,045.01 and 562,218.04 is: 775,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,984.05 : 1,369,045.01 = 562,218.04 : x
  2. Step 2: Convert to fraction form
    991,984.05/1,369,045.01 = 562,218.04/x
  3. Step 3: Cross multiply
    991,984.05x = 1,369,045.01 × 562,218.04
  4. Step 4: Simplify right side
    991,984.05x = 769,701,802,193.98
  5. Step 5: Solve for x
    x = 769,701,802,193.98/991,984.05
  6. Step 6: Final answer
    x = 775,921.55

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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.