Home / 1,334,459.34-1,841,557.68-722,619.36

Finding the Fourth Proportional to 1,334,459.34, 1,841,557.68 and 722,619.36

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Solution

The fourth proportional to 1,334,459.34, 1,841,557.68 and 722,619.36 is: 997,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,459.34 : 1,841,557.68 = 722,619.36 : x
  2. Step 2: Convert to fraction form
    1,334,459.34/1,841,557.68 = 722,619.36/x
  3. Step 3: Cross multiply
    1,334,459.34x = 1,841,557.68 × 722,619.36
  4. Step 4: Simplify right side
    1,334,459.34x = 1,330,745,232,124.68
  5. Step 5: Solve for x
    x = 1,330,745,232,124.68/1,334,459.34
  6. Step 6: Final answer
    x = 997,216.77

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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.