Home / 619,037.52-854,423.58-377,453.16

Finding the Fourth Proportional to 619,037.52, 854,423.58 and 377,453.16

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Solution

The fourth proportional to 619,037.52, 854,423.58 and 377,453.16 is: 520,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,037.52 : 854,423.58 = 377,453.16 : x
  2. Step 2: Convert to fraction form
    619,037.52/854,423.58 = 377,453.16/x
  3. Step 3: Cross multiply
    619,037.52x = 854,423.58 × 377,453.16
  4. Step 4: Simplify right side
    619,037.52x = 322,504,880,249.51
  5. Step 5: Solve for x
    x = 322,504,880,249.51/619,037.52
  6. Step 6: Final answer
    x = 520,977.92

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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.