Home / 907,656.41-1,249,864.20-887,516.97

Finding the Fourth Proportional to 907,656.41, 1,249,864.20 and 887,516.97

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Solution

The fourth proportional to 907,656.41, 1,249,864.20 and 887,516.97 is: 1,222,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,656.41 : 1,249,864.20 = 887,516.97 : x
  2. Step 2: Convert to fraction form
    907,656.41/1,249,864.20 = 887,516.97/x
  3. Step 3: Cross multiply
    907,656.41x = 1,249,864.20 × 887,516.97
  4. Step 4: Simplify right side
    907,656.41x = 1,109,275,687,695.47
  5. Step 5: Solve for x
    x = 1,109,275,687,695.47/907,656.41
  6. Step 6: Final answer
    x = 1,222,131.72

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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.