Home / 1,213,854.72-1,675,192.32-677,345.28

Finding the Fourth Proportional to 1,213,854.72, 1,675,192.32 and 677,345.28

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Solution

The fourth proportional to 1,213,854.72, 1,675,192.32 and 677,345.28 is: 934,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,854.72 : 1,675,192.32 = 677,345.28 : x
  2. Step 2: Convert to fraction form
    1,213,854.72/1,675,192.32 = 677,345.28/x
  3. Step 3: Cross multiply
    1,213,854.72x = 1,675,192.32 × 677,345.28
  4. Step 4: Simplify right side
    1,213,854.72x = 1,134,683,611,044.25
  5. Step 5: Solve for x
    x = 1,134,683,611,044.25/1,213,854.72
  6. Step 6: Final answer
    x = 934,777.11

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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.