Home / 1,683,480.29-2,323,200.23-919,533.86

Finding the Fourth Proportional to 1,683,480.29, 2,323,200.23 and 919,533.86

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Solution

The fourth proportional to 1,683,480.29, 2,323,200.23 and 919,533.86 is: 1,268,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,480.29 : 2,323,200.23 = 919,533.86 : x
  2. Step 2: Convert to fraction form
    1,683,480.29/2,323,200.23 = 919,533.86/x
  3. Step 3: Cross multiply
    1,683,480.29x = 2,323,200.23 × 919,533.86
  4. Step 4: Simplify right side
    1,683,480.29x = 2,136,261,258,831.12
  5. Step 5: Solve for x
    x = 2,136,261,258,831.12/1,683,480.29
  6. Step 6: Final answer
    x = 1,268,955.32

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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.