Home / 1,249,190.76-1,723,871.52-676,216.20

Finding the Fourth Proportional to 1,249,190.76, 1,723,871.52 and 676,216.20

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Solution

The fourth proportional to 1,249,190.76, 1,723,871.52 and 676,216.20 is: 933,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,190.76 : 1,723,871.52 = 676,216.20 : x
  2. Step 2: Convert to fraction form
    1,249,190.76/1,723,871.52 = 676,216.20/x
  3. Step 3: Cross multiply
    1,249,190.76x = 1,723,871.52 × 676,216.20
  4. Step 4: Simplify right side
    1,249,190.76x = 1,165,709,848,542.62
  5. Step 5: Solve for x
    x = 1,165,709,848,542.62/1,249,190.76
  6. Step 6: Final answer
    x = 933,172.01

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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.