Home / 1,287,637.08-1,776,926.34-714,662.52

Finding the Fourth Proportional to 1,287,637.08, 1,776,926.34 and 714,662.52

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Solution

The fourth proportional to 1,287,637.08, 1,776,926.34 and 714,662.52 is: 986,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,637.08 : 1,776,926.34 = 714,662.52 : x
  2. Step 2: Convert to fraction form
    1,287,637.08/1,776,926.34 = 714,662.52/x
  3. Step 3: Cross multiply
    1,287,637.08x = 1,776,926.34 × 714,662.52
  4. Step 4: Simplify right side
    1,287,637.08x = 1,269,902,655,998.78
  5. Step 5: Solve for x
    x = 1,269,902,655,998.78/1,287,637.08
  6. Step 6: Final answer
    x = 986,227.16

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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.