Home / 1,145,444.75-1,580,713.77-636,194.51

Finding the Fourth Proportional to 1,145,444.75, 1,580,713.77 and 636,194.51

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Solution

The fourth proportional to 1,145,444.75, 1,580,713.77 and 636,194.51 is: 877,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,444.75 : 1,580,713.77 = 636,194.51 : x
  2. Step 2: Convert to fraction form
    1,145,444.75/1,580,713.77 = 636,194.51/x
  3. Step 3: Cross multiply
    1,145,444.75x = 1,580,713.77 × 636,194.51
  4. Step 4: Simplify right side
    1,145,444.75x = 1,005,641,422,355.40
  5. Step 5: Solve for x
    x = 1,005,641,422,355.40/1,145,444.75
  6. Step 6: Final answer
    x = 877,948.43

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Double scale
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1.5x scale

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.