Home / 1,397,528-1,928,577.04-785,683.48

Finding the Fourth Proportional to 1,397,528, 1,928,577.04 and 785,683.48

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Solution

The fourth proportional to 1,397,528, 1,928,577.04 and 785,683.48 is: 1,084,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,528 : 1,928,577.04 = 785,683.48 : x
  2. Step 2: Convert to fraction form
    1,397,528/1,928,577.04 = 785,683.48/x
  3. Step 3: Cross multiply
    1,397,528x = 1,928,577.04 × 785,683.48
  4. Step 4: Simplify right side
    1,397,528x = 1,515,251,120,235.30
  5. Step 5: Solve for x
    x = 1,515,251,120,235.30/1,397,528
  6. Step 6: Final answer
    x = 1,084,236.68

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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.