Home / 543,226.55-749,646.95-301,511.21

Finding the Fourth Proportional to 543,226.55, 749,646.95 and 301,511.21

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Solution

The fourth proportional to 543,226.55, 749,646.95 and 301,511.21 is: 416,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,226.55 : 749,646.95 = 301,511.21 : x
  2. Step 2: Convert to fraction form
    543,226.55/749,646.95 = 301,511.21/x
  3. Step 3: Cross multiply
    543,226.55x = 749,646.95 × 301,511.21
  4. Step 4: Simplify right side
    543,226.55x = 226,026,953,711.52
  5. Step 5: Solve for x
    x = 226,026,953,711.52/543,226.55
  6. Step 6: Final answer
    x = 416,082.31

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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.