Home / 685,352.40-946,366.92-430,785.60

Finding the Fourth Proportional to 685,352.40, 946,366.92 and 430,785.60

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Solution

The fourth proportional to 685,352.40, 946,366.92 and 430,785.60 is: 594,849.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,352.40 : 946,366.92 = 430,785.60 : x
  2. Step 2: Convert to fraction form
    685,352.40/946,366.92 = 430,785.60/x
  3. Step 3: Cross multiply
    685,352.40x = 946,366.92 × 430,785.60
  4. Step 4: Simplify right side
    685,352.40x = 407,681,241,452.35
  5. Step 5: Solve for x
    x = 407,681,241,452.35/685,352.40
  6. Step 6: Final answer
    x = 594,849.08

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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.