Home / 764,423.93-1,146,802.51-231,986.63

Finding the Fourth Proportional to 764,423.93, 1,146,802.51 and 231,986.63

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Solution

The fourth proportional to 764,423.93, 1,146,802.51 and 231,986.63 is: 348,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,423.93 : 1,146,802.51 = 231,986.63 : x
  2. Step 2: Convert to fraction form
    764,423.93/1,146,802.51 = 231,986.63/x
  3. Step 3: Cross multiply
    764,423.93x = 1,146,802.51 × 231,986.63
  4. Step 4: Simplify right side
    764,423.93x = 266,042,849,570.44
  5. Step 5: Solve for x
    x = 266,042,849,570.44/764,423.93
  6. Step 6: Final answer
    x = 348,030.51

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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.