Home / 1,128,784.36-1,557,722.44-676,075.36

Finding the Fourth Proportional to 1,128,784.36, 1,557,722.44 and 676,075.36

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Solution

The fourth proportional to 1,128,784.36, 1,557,722.44 and 676,075.36 is: 932,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,784.36 : 1,557,722.44 = 676,075.36 : x
  2. Step 2: Convert to fraction form
    1,128,784.36/1,557,722.44 = 676,075.36/x
  3. Step 3: Cross multiply
    1,128,784.36x = 1,557,722.44 × 676,075.36
  4. Step 4: Simplify right side
    1,128,784.36x = 1,053,137,759,274.60
  5. Step 5: Solve for x
    x = 1,053,137,759,274.60/1,128,784.36
  6. Step 6: Final answer
    x = 932,984.01

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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.