Home / 1,205,755.84-1,663,602.20-776,284.63

Finding the Fourth Proportional to 1,205,755.84, 1,663,602.20 and 776,284.63

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Solution

The fourth proportional to 1,205,755.84, 1,663,602.20 and 776,284.63 is: 1,071,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,755.84 : 1,663,602.20 = 776,284.63 : x
  2. Step 2: Convert to fraction form
    1,205,755.84/1,663,602.20 = 776,284.63/x
  3. Step 3: Cross multiply
    1,205,755.84x = 1,663,602.20 × 776,284.63
  4. Step 4: Simplify right side
    1,205,755.84x = 1,291,428,813,164.82
  5. Step 5: Solve for x
    x = 1,291,428,813,164.82/1,205,755.84
  6. Step 6: Final answer
    x = 1,071,053.33

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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.