Home / 756,031.05-1,043,311.19-416,511.45

Finding the Fourth Proportional to 756,031.05, 1,043,311.19 and 416,511.45

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Solution

The fourth proportional to 756,031.05, 1,043,311.19 and 416,511.45 is: 574,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,031.05 : 1,043,311.19 = 416,511.45 : x
  2. Step 2: Convert to fraction form
    756,031.05/1,043,311.19 = 416,511.45/x
  3. Step 3: Cross multiply
    756,031.05x = 1,043,311.19 × 416,511.45
  4. Step 4: Simplify right side
    756,031.05x = 434,551,054,465.57
  5. Step 5: Solve for x
    x = 434,551,054,465.57/756,031.05
  6. Step 6: Final answer
    x = 574,779.38

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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.