Home / 1,242,561.80-1,714,701.02-698,683.59

Finding the Fourth Proportional to 1,242,561.80, 1,714,701.02 and 698,683.59

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Solution

The fourth proportional to 1,242,561.80, 1,714,701.02 and 698,683.59 is: 964,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,561.80 : 1,714,701.02 = 698,683.59 : x
  2. Step 2: Convert to fraction form
    1,242,561.80/1,714,701.02 = 698,683.59/x
  3. Step 3: Cross multiply
    1,242,561.80x = 1,714,701.02 × 698,683.59
  4. Step 4: Simplify right side
    1,242,561.80x = 1,198,033,460,936.84
  5. Step 5: Solve for x
    x = 1,198,033,460,936.84/1,242,561.80
  6. Step 6: Final answer
    x = 964,164.08

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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.