Home / 1,156,675.82-1,596,262.48-640,429.66

Finding the Fourth Proportional to 1,156,675.82, 1,596,262.48 and 640,429.66

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Solution

The fourth proportional to 1,156,675.82, 1,596,262.48 and 640,429.66 is: 883,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,675.82 : 1,596,262.48 = 640,429.66 : x
  2. Step 2: Convert to fraction form
    1,156,675.82/1,596,262.48 = 640,429.66/x
  3. Step 3: Cross multiply
    1,156,675.82x = 1,596,262.48 × 640,429.66
  4. Step 4: Simplify right side
    1,156,675.82x = 1,022,293,837,337.16
  5. Step 5: Solve for x
    x = 1,022,293,837,337.16/1,156,675.82
  6. Step 6: Final answer
    x = 883,820.53

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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.