Home / 1,185,672.07-1,636,228.44-641,806.18

Finding the Fourth Proportional to 1,185,672.07, 1,636,228.44 and 641,806.18

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Solution

The fourth proportional to 1,185,672.07, 1,636,228.44 and 641,806.18 is: 885,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,672.07 : 1,636,228.44 = 641,806.18 : x
  2. Step 2: Convert to fraction form
    1,185,672.07/1,636,228.44 = 641,806.18/x
  3. Step 3: Cross multiply
    1,185,672.07x = 1,636,228.44 × 641,806.18
  4. Step 4: Simplify right side
    1,185,672.07x = 1,050,141,513,293.59
  5. Step 5: Solve for x
    x = 1,050,141,513,293.59/1,185,672.07
  6. Step 6: Final answer
    x = 885,693.05

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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.