Home / 1,683,665.46-2,323,371.60-919,571.40

Finding the Fourth Proportional to 1,683,665.46, 2,323,371.60 and 919,571.40

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Solution

The fourth proportional to 1,683,665.46, 2,323,371.60 and 919,571.40 is: 1,268,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,665.46 : 2,323,371.60 = 919,571.40 : x
  2. Step 2: Convert to fraction form
    1,683,665.46/2,323,371.60 = 919,571.40/x
  3. Step 3: Cross multiply
    1,683,665.46x = 2,323,371.60 × 919,571.40
  4. Step 4: Simplify right side
    1,683,665.46x = 2,136,506,074,932.24
  5. Step 5: Solve for x
    x = 2,136,506,074,932.24/1,683,665.46
  6. Step 6: Final answer
    x = 1,268,961.16

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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.