Home / 1,395,640.92-1,926,030.92-783,901.59

Finding the Fourth Proportional to 1,395,640.92, 1,926,030.92 and 783,901.59

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Solution

The fourth proportional to 1,395,640.92, 1,926,030.92 and 783,901.59 is: 1,081,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,640.92 : 1,926,030.92 = 783,901.59 : x
  2. Step 2: Convert to fraction form
    1,395,640.92/1,926,030.92 = 783,901.59/x
  3. Step 3: Cross multiply
    1,395,640.92x = 1,926,030.92 × 783,901.59
  4. Step 4: Simplify right side
    1,395,640.92x = 1,509,818,700,577.16
  5. Step 5: Solve for x
    x = 1,509,818,700,577.16/1,395,640.92
  6. Step 6: Final answer
    x = 1,081,810.28

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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.