Home / 784,586.71-1,176,880.06-223,606.63

Finding the Fourth Proportional to 784,586.71, 1,176,880.06 and 223,606.63

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Solution

The fourth proportional to 784,586.71, 1,176,880.06 and 223,606.63 is: 335,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,586.71 : 1,176,880.06 = 223,606.63 : x
  2. Step 2: Convert to fraction form
    784,586.71/1,176,880.06 = 223,606.63/x
  3. Step 3: Cross multiply
    784,586.71x = 1,176,880.06 × 223,606.63
  4. Step 4: Simplify right side
    784,586.71x = 263,158,184,130.80
  5. Step 5: Solve for x
    x = 263,158,184,130.80/784,586.71
  6. Step 6: Final answer
    x = 335,409.94

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Double scale
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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.