Home / 1,188,968.72-1,782,362.28-514,625.36

Finding the Fourth Proportional to 1,188,968.72, 1,782,362.28 and 514,625.36

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Solution

The fourth proportional to 1,188,968.72, 1,782,362.28 and 514,625.36 is: 771,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,968.72 : 1,782,362.28 = 514,625.36 : x
  2. Step 2: Convert to fraction form
    1,188,968.72/1,782,362.28 = 514,625.36/x
  3. Step 3: Cross multiply
    1,188,968.72x = 1,782,362.28 × 514,625.36
  4. Step 4: Simplify right side
    1,188,968.72x = 917,248,829,995.42
  5. Step 5: Solve for x
    x = 917,248,829,995.42/1,188,968.72
  6. Step 6: Final answer
    x = 771,465.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.