Home / 1,286,277.40-1,928,033.70-487,250.20

Finding the Fourth Proportional to 1,286,277.40, 1,928,033.70 and 487,250.20

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Solution

The fourth proportional to 1,286,277.40, 1,928,033.70 and 487,250.20 is: 730,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,277.40 : 1,928,033.70 = 487,250.20 : x
  2. Step 2: Convert to fraction form
    1,286,277.40/1,928,033.70 = 487,250.20/x
  3. Step 3: Cross multiply
    1,286,277.40x = 1,928,033.70 × 487,250.20
  4. Step 4: Simplify right side
    1,286,277.40x = 939,434,805,931.74
  5. Step 5: Solve for x
    x = 939,434,805,931.74/1,286,277.40
  6. Step 6: Final answer
    x = 730,351.64

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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.