Home / 988,160.88-1,363,161.24-624,973.08

Finding the Fourth Proportional to 988,160.88, 1,363,161.24 and 624,973.08

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Solution

The fourth proportional to 988,160.88, 1,363,161.24 and 624,973.08 is: 862,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,160.88 : 1,363,161.24 = 624,973.08 : x
  2. Step 2: Convert to fraction form
    988,160.88/1,363,161.24 = 624,973.08/x
  3. Step 3: Cross multiply
    988,160.88x = 1,363,161.24 × 624,973.08
  4. Step 4: Simplify right side
    988,160.88x = 851,939,078,699.42
  5. Step 5: Solve for x
    x = 851,939,078,699.42/988,160.88
  6. Step 6: Final answer
    x = 862,146.13

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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.