Home / 1,150,709.47-1,587,999.95-641,357.17

Finding the Fourth Proportional to 1,150,709.47, 1,587,999.95 and 641,357.17

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Solution

The fourth proportional to 1,150,709.47, 1,587,999.95 and 641,357.17 is: 885,084.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,709.47 : 1,587,999.95 = 641,357.17 : x
  2. Step 2: Convert to fraction form
    1,150,709.47/1,587,999.95 = 641,357.17/x
  3. Step 3: Cross multiply
    1,150,709.47x = 1,587,999.95 × 641,357.17
  4. Step 4: Simplify right side
    1,150,709.47x = 1,018,475,153,892.14
  5. Step 5: Solve for x
    x = 1,018,475,153,892.14/1,150,709.47
  6. Step 6: Final answer
    x = 885,084.53

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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.