Home / 1,220,241.52-1,684,014.35-676,400.23

Finding the Fourth Proportional to 1,220,241.52, 1,684,014.35 and 676,400.23

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Solution

The fourth proportional to 1,220,241.52, 1,684,014.35 and 676,400.23 is: 933,477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,241.52 : 1,684,014.35 = 676,400.23 : x
  2. Step 2: Convert to fraction form
    1,220,241.52/1,684,014.35 = 676,400.23/x
  3. Step 3: Cross multiply
    1,220,241.52x = 1,684,014.35 × 676,400.23
  4. Step 4: Simplify right side
    1,220,241.52x = 1,139,067,688,607.76
  5. Step 5: Solve for x
    x = 1,139,067,688,607.76/1,220,241.52
  6. Step 6: Final answer
    x = 933,477.24

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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.