Home / 619,619.49-929,417.90-170,338.55

Finding the Fourth Proportional to 619,619.49, 929,417.90 and 170,338.55

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Solution

The fourth proportional to 619,619.49, 929,417.90 and 170,338.55 is: 255,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,619.49 : 929,417.90 = 170,338.55 : x
  2. Step 2: Convert to fraction form
    619,619.49/929,417.90 = 170,338.55/x
  3. Step 3: Cross multiply
    619,619.49x = 929,417.90 × 170,338.55
  4. Step 4: Simplify right side
    619,619.49x = 158,315,691,931.26
  5. Step 5: Solve for x
    x = 158,315,691,931.26/619,619.49
  6. Step 6: Final answer
    x = 255,504.70

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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.