Home / 930,739.68-1,398,209.04-557,025.12

Finding the Fourth Proportional to 930,739.68, 1,398,209.04 and 557,025.12

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Solution

The fourth proportional to 930,739.68, 1,398,209.04 and 557,025.12 is: 836,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,739.68 : 1,398,209.04 = 557,025.12 : x
  2. Step 2: Convert to fraction form
    930,739.68/1,398,209.04 = 557,025.12/x
  3. Step 3: Cross multiply
    930,739.68x = 1,398,209.04 × 557,025.12
  4. Step 4: Simplify right side
    930,739.68x = 778,837,558,291.09
  5. Step 5: Solve for x
    x = 778,837,558,291.09/930,739.68
  6. Step 6: Final answer
    x = 836,794.19

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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.