Home / 534,458.34-737,543.40-289,441.11

Finding the Fourth Proportional to 534,458.34, 737,543.40 and 289,441.11

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Solution

The fourth proportional to 534,458.34, 737,543.40 and 289,441.11 is: 399,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,458.34 : 737,543.40 = 289,441.11 : x
  2. Step 2: Convert to fraction form
    534,458.34/737,543.40 = 289,441.11/x
  3. Step 3: Cross multiply
    534,458.34x = 737,543.40 × 289,441.11
  4. Step 4: Simplify right side
    534,458.34x = 213,475,379,283.77
  5. Step 5: Solve for x
    x = 213,475,379,283.77/534,458.34
  6. Step 6: Final answer
    x = 399,423.79

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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.