Home / 1,249,130.56-1,723,801.20-676,168.96

Finding the Fourth Proportional to 1,249,130.56, 1,723,801.20 and 676,168.96

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Solution

The fourth proportional to 1,249,130.56, 1,723,801.20 and 676,168.96 is: 933,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,130.56 : 1,723,801.20 = 676,168.96 : x
  2. Step 2: Convert to fraction form
    1,249,130.56/1,723,801.20 = 676,168.96/x
  3. Step 3: Cross multiply
    1,249,130.56x = 1,723,801.20 × 676,168.96
  4. Step 4: Simplify right side
    1,249,130.56x = 1,165,580,864,650.75
  5. Step 5: Solve for x
    x = 1,165,580,864,650.75/1,249,130.56
  6. Step 6: Final answer
    x = 933,113.72

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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.