Home / 1,129,584.90-1,558,838-620,297.94

Finding the Fourth Proportional to 1,129,584.90, 1,558,838 and 620,297.94

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Solution

The fourth proportional to 1,129,584.90, 1,558,838 and 620,297.94 is: 856,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,584.90 : 1,558,838 = 620,297.94 : x
  2. Step 2: Convert to fraction form
    1,129,584.90/1,558,838 = 620,297.94/x
  3. Step 3: Cross multiply
    1,129,584.90x = 1,558,838 × 620,297.94
  4. Step 4: Simplify right side
    1,129,584.90x = 966,944,000,193.72
  5. Step 5: Solve for x
    x = 966,944,000,193.72/1,129,584.90
  6. Step 6: Final answer
    x = 856,017.11

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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.