Home / 1,683,708.12-2,323,488.06-919,742.04

Finding the Fourth Proportional to 1,683,708.12, 2,323,488.06 and 919,742.04

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Solution

The fourth proportional to 1,683,708.12, 2,323,488.06 and 919,742.04 is: 1,269,228.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,708.12 : 2,323,488.06 = 919,742.04 : x
  2. Step 2: Convert to fraction form
    1,683,708.12/2,323,488.06 = 919,742.04/x
  3. Step 3: Cross multiply
    1,683,708.12x = 2,323,488.06 × 919,742.04
  4. Step 4: Simplify right side
    1,683,708.12x = 2,137,009,648,220.04
  5. Step 5: Solve for x
    x = 2,137,009,648,220.04/1,683,708.12
  6. Step 6: Final answer
    x = 1,269,228.09

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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.