Home / 839,568.60-1,258,437.72-412,256.16

Finding the Fourth Proportional to 839,568.60, 1,258,437.72 and 412,256.16

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Solution

The fourth proportional to 839,568.60, 1,258,437.72 and 412,256.16 is: 617,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,568.60 : 1,258,437.72 = 412,256.16 : x
  2. Step 2: Convert to fraction form
    839,568.60/1,258,437.72 = 412,256.16/x
  3. Step 3: Cross multiply
    839,568.60x = 1,258,437.72 × 412,256.16
  4. Step 4: Simplify right side
    839,568.60x = 518,798,702,046.36
  5. Step 5: Solve for x
    x = 518,798,702,046.36/839,568.60
  6. Step 6: Final answer
    x = 617,934.86

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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.