Home / 1,114,417.88-1,537,940.77-624,391.63

Finding the Fourth Proportional to 1,114,417.88, 1,537,940.77 and 624,391.63

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Solution

The fourth proportional to 1,114,417.88, 1,537,940.77 and 624,391.63 is: 861,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,417.88 : 1,537,940.77 = 624,391.63 : x
  2. Step 2: Convert to fraction form
    1,114,417.88/1,537,940.77 = 624,391.63/x
  3. Step 3: Cross multiply
    1,114,417.88x = 1,537,940.77 × 624,391.63
  4. Step 4: Simplify right side
    1,114,417.88x = 960,277,344,223.76
  5. Step 5: Solve for x
    x = 960,277,344,223.76/1,114,417.88
  6. Step 6: Final answer
    x = 861,685.16

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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.