Home / 699,134.76-1,048,037.76-445,703.94

Finding the Fourth Proportional to 699,134.76, 1,048,037.76 and 445,703.94

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Solution

The fourth proportional to 699,134.76, 1,048,037.76 and 445,703.94 is: 668,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,134.76 : 1,048,037.76 = 445,703.94 : x
  2. Step 2: Convert to fraction form
    699,134.76/1,048,037.76 = 445,703.94/x
  3. Step 3: Cross multiply
    699,134.76x = 1,048,037.76 × 445,703.94
  4. Step 4: Simplify right side
    699,134.76x = 467,114,558,900.77
  5. Step 5: Solve for x
    x = 467,114,558,900.77/699,134.76
  6. Step 6: Final answer
    x = 668,132.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.