Home / 1,105,340.70-1,525,261.27-621,895.17

Finding the Fourth Proportional to 1,105,340.70, 1,525,261.27 and 621,895.17

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Solution

The fourth proportional to 1,105,340.70, 1,525,261.27 and 621,895.17 is: 858,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,340.70 : 1,525,261.27 = 621,895.17 : x
  2. Step 2: Convert to fraction form
    1,105,340.70/1,525,261.27 = 621,895.17/x
  3. Step 3: Cross multiply
    1,105,340.70x = 1,525,261.27 × 621,895.17
  4. Step 4: Simplify right side
    1,105,340.70x = 948,552,616,801.07
  5. Step 5: Solve for x
    x = 948,552,616,801.07/1,105,340.70
  6. Step 6: Final answer
    x = 858,154.07

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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.