Home / 1,221,164.34-1,683,260.28-962,619.93

Finding the Fourth Proportional to 1,221,164.34, 1,683,260.28 and 962,619.93

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Solution

The fourth proportional to 1,221,164.34, 1,683,260.28 and 962,619.93 is: 1,326,881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,164.34 : 1,683,260.28 = 962,619.93 : x
  2. Step 2: Convert to fraction form
    1,221,164.34/1,683,260.28 = 962,619.93/x
  3. Step 3: Cross multiply
    1,221,164.34x = 1,683,260.28 × 962,619.93
  4. Step 4: Simplify right side
    1,221,164.34x = 1,620,339,892,905.38
  5. Step 5: Solve for x
    x = 1,620,339,892,905.38/1,221,164.34
  6. Step 6: Final answer
    x = 1,326,881.11

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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.