Home / 775,513.92-1,070,210.88-435,984.96

Finding the Fourth Proportional to 775,513.92, 1,070,210.88 and 435,984.96

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Solution

The fourth proportional to 775,513.92, 1,070,210.88 and 435,984.96 is: 601,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,513.92 : 1,070,210.88 = 435,984.96 : x
  2. Step 2: Convert to fraction form
    775,513.92/1,070,210.88 = 435,984.96/x
  3. Step 3: Cross multiply
    775,513.92x = 1,070,210.88 × 435,984.96
  4. Step 4: Simplify right side
    775,513.92x = 466,595,847,708.37
  5. Step 5: Solve for x
    x = 466,595,847,708.37/775,513.92
  6. Step 6: Final answer
    x = 601,660.18

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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.