Home / 1,207,772.76-1,666,726.40-698,507.94

Finding the Fourth Proportional to 1,207,772.76, 1,666,726.40 and 698,507.94

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Solution

The fourth proportional to 1,207,772.76, 1,666,726.40 and 698,507.94 is: 963,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,772.76 : 1,666,726.40 = 698,507.94 : x
  2. Step 2: Convert to fraction form
    1,207,772.76/1,666,726.40 = 698,507.94/x
  3. Step 3: Cross multiply
    1,207,772.76x = 1,666,726.40 × 698,507.94
  4. Step 4: Simplify right side
    1,207,772.76x = 1,164,221,624,207.62
  5. Step 5: Solve for x
    x = 1,164,221,624,207.62/1,207,772.76
  6. Step 6: Final answer
    x = 963,940.95

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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.