Home / 1,122,293.70-1,684,111.29-412,393.50

Finding the Fourth Proportional to 1,122,293.70, 1,684,111.29 and 412,393.50

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Solution

The fourth proportional to 1,122,293.70, 1,684,111.29 and 412,393.50 is: 618,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,293.70 : 1,684,111.29 = 412,393.50 : x
  2. Step 2: Convert to fraction form
    1,122,293.70/1,684,111.29 = 412,393.50/x
  3. Step 3: Cross multiply
    1,122,293.70x = 1,684,111.29 × 412,393.50
  4. Step 4: Simplify right side
    1,122,293.70x = 694,516,549,272.62
  5. Step 5: Solve for x
    x = 694,516,549,272.62/1,122,293.70
  6. Step 6: Final answer
    x = 618,836.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.