Home / 1,011,615.57-1,517,388.26-253,463.67

Finding the Fourth Proportional to 1,011,615.57, 1,517,388.26 and 253,463.67

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Solution

The fourth proportional to 1,011,615.57, 1,517,388.26 and 253,463.67 is: 380,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,615.57 : 1,517,388.26 = 253,463.67 : x
  2. Step 2: Convert to fraction form
    1,011,615.57/1,517,388.26 = 253,463.67/x
  3. Step 3: Cross multiply
    1,011,615.57x = 1,517,388.26 × 253,463.67
  4. Step 4: Simplify right side
    1,011,615.57x = 384,602,795,927.20
  5. Step 5: Solve for x
    x = 384,602,795,927.20/1,011,615.57
  6. Step 6: Final answer
    x = 380,186.71

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Double scale
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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.