Home / 756,031.80-1,043,312.22-416,512.20

Finding the Fourth Proportional to 756,031.80, 1,043,312.22 and 416,512.20

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Solution

The fourth proportional to 756,031.80, 1,043,312.22 and 416,512.20 is: 574,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,031.80 : 1,043,312.22 = 416,512.20 : x
  2. Step 2: Convert to fraction form
    756,031.80/1,043,312.22 = 416,512.20/x
  3. Step 3: Cross multiply
    756,031.80x = 1,043,312.22 × 416,512.20
  4. Step 4: Simplify right side
    756,031.80x = 434,552,268,039.08
  5. Step 5: Solve for x
    x = 434,552,268,039.08/756,031.80
  6. Step 6: Final answer
    x = 574,780.41

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Double scale
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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.