Home / 1,677,643.52-2,516,838.89-612,683.87

Finding the Fourth Proportional to 1,677,643.52, 2,516,838.89 and 612,683.87

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Solution

The fourth proportional to 1,677,643.52, 2,516,838.89 and 612,683.87 is: 919,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,643.52 : 2,516,838.89 = 612,683.87 : x
  2. Step 2: Convert to fraction form
    1,677,643.52/2,516,838.89 = 612,683.87/x
  3. Step 3: Cross multiply
    1,677,643.52x = 2,516,838.89 × 612,683.87
  4. Step 4: Simplify right side
    1,677,643.52x = 1,542,026,575,644.09
  5. Step 5: Solve for x
    x = 1,542,026,575,644.09/1,677,643.52
  6. Step 6: Final answer
    x = 919,162.24

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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.