Home / 1,751,686.80-2,628,221.40-686,547.60

Finding the Fourth Proportional to 1,751,686.80, 2,628,221.40 and 686,547.60

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Solution

The fourth proportional to 1,751,686.80, 2,628,221.40 and 686,547.60 is: 1,030,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,686.80 : 2,628,221.40 = 686,547.60 : x
  2. Step 2: Convert to fraction form
    1,751,686.80/2,628,221.40 = 686,547.60/x
  3. Step 3: Cross multiply
    1,751,686.80x = 2,628,221.40 × 686,547.60
  4. Step 4: Simplify right side
    1,751,686.80x = 1,804,399,094,438.64
  5. Step 5: Solve for x
    x = 1,804,399,094,438.64/1,751,686.80
  6. Step 6: Final answer
    x = 1,030,092.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.