Home / 1,174,688.72-1,620,940.43-651,386.17

Finding the Fourth Proportional to 1,174,688.72, 1,620,940.43 and 651,386.17

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Solution

The fourth proportional to 1,174,688.72, 1,620,940.43 and 651,386.17 is: 898,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,688.72 : 1,620,940.43 = 651,386.17 : x
  2. Step 2: Convert to fraction form
    1,174,688.72/1,620,940.43 = 651,386.17/x
  3. Step 3: Cross multiply
    1,174,688.72x = 1,620,940.43 × 651,386.17
  4. Step 4: Simplify right side
    1,174,688.72x = 1,055,858,176,071.97
  5. Step 5: Solve for x
    x = 1,055,858,176,071.97/1,174,688.72
  6. Step 6: Final answer
    x = 898,840.82

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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.