Home / 1,010,975.36-1,395,454.88-623,909.12

Finding the Fourth Proportional to 1,010,975.36, 1,395,454.88 and 623,909.12

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Solution

The fourth proportional to 1,010,975.36, 1,395,454.88 and 623,909.12 is: 861,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,975.36 : 1,395,454.88 = 623,909.12 : x
  2. Step 2: Convert to fraction form
    1,010,975.36/1,395,454.88 = 623,909.12/x
  3. Step 3: Cross multiply
    1,010,975.36x = 1,395,454.88 × 623,909.12
  4. Step 4: Simplify right side
    1,010,975.36x = 870,637,026,180.51
  5. Step 5: Solve for x
    x = 870,637,026,180.51/1,010,975.36
  6. Step 6: Final answer
    x = 861,185.21

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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.