Home / 1,683,666.12-2,323,372.62-919,572.06

Finding the Fourth Proportional to 1,683,666.12, 2,323,372.62 and 919,572.06

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Solution

The fourth proportional to 1,683,666.12, 2,323,372.62 and 919,572.06 is: 1,268,962.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,666.12 : 2,323,372.62 = 919,572.06 : x
  2. Step 2: Convert to fraction form
    1,683,666.12/2,323,372.62 = 919,572.06/x
  3. Step 3: Cross multiply
    1,683,666.12x = 2,323,372.62 × 919,572.06
  4. Step 4: Simplify right side
    1,683,666.12x = 2,136,508,546,321.00
  5. Step 5: Solve for x
    x = 2,136,508,546,321.00/1,683,666.12
  6. Step 6: Final answer
    x = 1,268,962.13

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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.