Home / 1,185,139.14-1,635,479.73-641,262.93

Finding the Fourth Proportional to 1,185,139.14, 1,635,479.73 and 641,262.93

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Solution

The fourth proportional to 1,185,139.14, 1,635,479.73 and 641,262.93 is: 884,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,139.14 : 1,635,479.73 = 641,262.93 : x
  2. Step 2: Convert to fraction form
    1,185,139.14/1,635,479.73 = 641,262.93/x
  3. Step 3: Cross multiply
    1,185,139.14x = 1,635,479.73 × 641,262.93
  4. Step 4: Simplify right side
    1,185,139.14x = 1,048,772,523,615.41
  5. Step 5: Solve for x
    x = 1,048,772,523,615.41/1,185,139.14
  6. Step 6: Final answer
    x = 884,936.20

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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.