Home / 1,365,628.68-1,884,567.76-753,781.64

Finding the Fourth Proportional to 1,365,628.68, 1,884,567.76 and 753,781.64

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Solution

The fourth proportional to 1,365,628.68, 1,884,567.76 and 753,781.64 is: 1,040,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,628.68 : 1,884,567.76 = 753,781.64 : x
  2. Step 2: Convert to fraction form
    1,365,628.68/1,884,567.76 = 753,781.64/x
  3. Step 3: Cross multiply
    1,365,628.68x = 1,884,567.76 × 753,781.64
  4. Step 4: Simplify right side
    1,365,628.68x = 1,420,552,565,516.63
  5. Step 5: Solve for x
    x = 1,420,552,565,516.63/1,365,628.68
  6. Step 6: Final answer
    x = 1,040,218.76

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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.