Home / 1,211,643.98-1,817,484.81-358,801.90

Finding the Fourth Proportional to 1,211,643.98, 1,817,484.81 and 358,801.90

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Solution

The fourth proportional to 1,211,643.98, 1,817,484.81 and 358,801.90 is: 538,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,643.98 : 1,817,484.81 = 358,801.90 : x
  2. Step 2: Convert to fraction form
    1,211,643.98/1,817,484.81 = 358,801.90/x
  3. Step 3: Cross multiply
    1,211,643.98x = 1,817,484.81 × 358,801.90
  4. Step 4: Simplify right side
    1,211,643.98x = 652,117,003,049.14
  5. Step 5: Solve for x
    x = 652,117,003,049.14/1,211,643.98
  6. Step 6: Final answer
    x = 538,208.43

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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.