Home / 598,785.67-826,620.81-381,210.64

Finding the Fourth Proportional to 598,785.67, 826,620.81 and 381,210.64

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Solution

The fourth proportional to 598,785.67, 826,620.81 and 381,210.64 is: 526,259.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,785.67 : 826,620.81 = 381,210.64 : x
  2. Step 2: Convert to fraction form
    598,785.67/826,620.81 = 381,210.64/x
  3. Step 3: Cross multiply
    598,785.67x = 826,620.81 × 381,210.64
  4. Step 4: Simplify right side
    598,785.67x = 315,116,648,017.42
  5. Step 5: Solve for x
    x = 315,116,648,017.42/598,785.67
  6. Step 6: Final answer
    x = 526,259.50

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1.5x scale

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.