Home / 784,256.50-1,176,384.75-193,280.50

Finding the Fourth Proportional to 784,256.50, 1,176,384.75 and 193,280.50

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Solution

The fourth proportional to 784,256.50, 1,176,384.75 and 193,280.50 is: 289,920.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,256.50 : 1,176,384.75 = 193,280.50 : x
  2. Step 2: Convert to fraction form
    784,256.50/1,176,384.75 = 193,280.50/x
  3. Step 3: Cross multiply
    784,256.50x = 1,176,384.75 × 193,280.50
  4. Step 4: Simplify right side
    784,256.50x = 227,372,232,672.38
  5. Step 5: Solve for x
    x = 227,372,232,672.38/784,256.50
  6. Step 6: Final answer
    x = 289,920.75

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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.