Home / 784,005.10-1,176,007.85-223,039.60

Finding the Fourth Proportional to 784,005.10, 1,176,007.85 and 223,039.60

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Solution

The fourth proportional to 784,005.10, 1,176,007.85 and 223,039.60 is: 334,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,005.10 : 1,176,007.85 = 223,039.60 : x
  2. Step 2: Convert to fraction form
    784,005.10/1,176,007.85 = 223,039.60/x
  3. Step 3: Cross multiply
    784,005.10x = 1,176,007.85 × 223,039.60
  4. Step 4: Simplify right side
    784,005.10x = 262,296,320,460.86
  5. Step 5: Solve for x
    x = 262,296,320,460.86/784,005.10
  6. Step 6: Final answer
    x = 334,559.46

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Similar ratio
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1.5x scale

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.