Home / 1,287,637.48-1,776,856.26-714,677.80

Finding the Fourth Proportional to 1,287,637.48, 1,776,856.26 and 714,677.80

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Solution

The fourth proportional to 1,287,637.48, 1,776,856.26 and 714,677.80 is: 986,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,637.48 : 1,776,856.26 = 714,677.80 : x
  2. Step 2: Convert to fraction form
    1,287,637.48/1,776,856.26 = 714,677.80/x
  3. Step 3: Cross multiply
    1,287,637.48x = 1,776,856.26 × 714,677.80
  4. Step 4: Simplify right side
    1,287,637.48x = 1,269,879,722,813.03
  5. Step 5: Solve for x
    x = 1,269,879,722,813.03/1,287,637.48
  6. Step 6: Final answer
    x = 986,209.04

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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.