Home / 1,276,498.81-1,914,888.33-636,963.51

Finding the Fourth Proportional to 1,276,498.81, 1,914,888.33 and 636,963.51

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Solution

The fourth proportional to 1,276,498.81, 1,914,888.33 and 636,963.51 is: 955,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,498.81 : 1,914,888.33 = 636,963.51 : x
  2. Step 2: Convert to fraction form
    1,276,498.81/1,914,888.33 = 636,963.51/x
  3. Step 3: Cross multiply
    1,276,498.81x = 1,914,888.33 × 636,963.51
  4. Step 4: Simplify right side
    1,276,498.81x = 1,219,713,999,115.67
  5. Step 5: Solve for x
    x = 1,219,713,999,115.67/1,276,498.81
  6. Step 6: Final answer
    x = 955,515.19

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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.