Home / 1,683,661.11-2,323,365.72-919,567.05

Finding the Fourth Proportional to 1,683,661.11, 2,323,365.72 and 919,567.05

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Solution

The fourth proportional to 1,683,661.11, 2,323,365.72 and 919,567.05 is: 1,268,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,661.11 : 2,323,365.72 = 919,567.05 : x
  2. Step 2: Convert to fraction form
    1,683,661.11/2,323,365.72 = 919,567.05/x
  3. Step 3: Cross multiply
    1,683,661.11x = 2,323,365.72 × 919,567.05
  4. Step 4: Simplify right side
    1,683,661.11x = 2,136,490,561,211.53
  5. Step 5: Solve for x
    x = 2,136,490,561,211.53/1,683,661.11
  6. Step 6: Final answer
    x = 1,268,955.22

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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.