Home / 756,452.72-1,043,901.60-416,920.88

Finding the Fourth Proportional to 756,452.72, 1,043,901.60 and 416,920.88

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Solution

The fourth proportional to 756,452.72, 1,043,901.60 and 416,920.88 is: 575,349.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,452.72 : 1,043,901.60 = 416,920.88 : x
  2. Step 2: Convert to fraction form
    756,452.72/1,043,901.60 = 416,920.88/x
  3. Step 3: Cross multiply
    756,452.72x = 1,043,901.60 × 416,920.88
  4. Step 4: Simplify right side
    756,452.72x = 435,224,373,705.41
  5. Step 5: Solve for x
    x = 435,224,373,705.41/756,452.72
  6. Step 6: Final answer
    x = 575,349.08

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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.