Home / 840,324.16-1,259,840.08-435,081.92

Finding the Fourth Proportional to 840,324.16, 1,259,840.08 and 435,081.92

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Solution

The fourth proportional to 840,324.16, 1,259,840.08 and 435,081.92 is: 652,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,324.16 : 1,259,840.08 = 435,081.92 : x
  2. Step 2: Convert to fraction form
    840,324.16/1,259,840.08 = 435,081.92/x
  3. Step 3: Cross multiply
    840,324.16x = 1,259,840.08 × 435,081.92
  4. Step 4: Simplify right side
    840,324.16x = 548,133,640,899.35
  5. Step 5: Solve for x
    x = 548,133,640,899.35/840,324.16
  6. Step 6: Final answer
    x = 652,288.33

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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.