Home / 1,205,348.31-1,664,501.00-776,365.83

Finding the Fourth Proportional to 1,205,348.31, 1,664,501.00 and 776,365.83

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Solution

The fourth proportional to 1,205,348.31, 1,664,501.00 and 776,365.83 is: 1,072,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,348.31 : 1,664,501.00 = 776,365.83 : x
  2. Step 2: Convert to fraction form
    1,205,348.31/1,664,501.00 = 776,365.83/x
  3. Step 3: Cross multiply
    1,205,348.31x = 1,664,501.00 × 776,365.83
  4. Step 4: Simplify right side
    1,205,348.31x = 1,292,261,696,519.00
  5. Step 5: Solve for x
    x = 1,292,261,696,519.00/1,205,348.31
  6. Step 6: Final answer
    x = 1,072,106.45

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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.