Home / 1,686,054.94-2,326,754.17-911,683.92

Finding the Fourth Proportional to 1,686,054.94, 2,326,754.17 and 911,683.92

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Solution

The fourth proportional to 1,686,054.94, 2,326,754.17 and 911,683.92 is: 1,258,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,054.94 : 2,326,754.17 = 911,683.92 : x
  2. Step 2: Convert to fraction form
    1,686,054.94/2,326,754.17 = 911,683.92/x
  3. Step 3: Cross multiply
    1,686,054.94x = 2,326,754.17 × 911,683.92
  4. Step 4: Simplify right side
    1,686,054.94x = 2,121,264,373,115.42
  5. Step 5: Solve for x
    x = 2,121,264,373,115.42/1,686,054.94
  6. Step 6: Final answer
    x = 1,258,122.93

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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.