Home / 756,284.32-1,043,679.36-416,764.72

Finding the Fourth Proportional to 756,284.32, 1,043,679.36 and 416,764.72

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Solution

The fourth proportional to 756,284.32, 1,043,679.36 and 416,764.72 is: 575,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,284.32 : 1,043,679.36 = 416,764.72 : x
  2. Step 2: Convert to fraction form
    756,284.32/1,043,679.36 = 416,764.72/x
  3. Step 3: Cross multiply
    756,284.32x = 1,043,679.36 × 416,764.72
  4. Step 4: Simplify right side
    756,284.32x = 434,968,736,240.18
  5. Step 5: Solve for x
    x = 434,968,736,240.18/756,284.32
  6. Step 6: Final answer
    x = 575,139.17

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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.