Home / 673,839.59-929,563.07-401,715.77

Finding the Fourth Proportional to 673,839.59, 929,563.07 and 401,715.77

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Solution

The fourth proportional to 673,839.59, 929,563.07 and 401,715.77 is: 554,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,839.59 : 929,563.07 = 401,715.77 : x
  2. Step 2: Convert to fraction form
    673,839.59/929,563.07 = 401,715.77/x
  3. Step 3: Cross multiply
    673,839.59x = 929,563.07 × 401,715.77
  4. Step 4: Simplify right side
    673,839.59x = 373,420,137,772.22
  5. Step 5: Solve for x
    x = 373,420,137,772.22/673,839.59
  6. Step 6: Final answer
    x = 554,167.71

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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.