Home / 830,481.84-1,146,022.53-467,927.12

Finding the Fourth Proportional to 830,481.84, 1,146,022.53 and 467,927.12

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Solution

The fourth proportional to 830,481.84, 1,146,022.53 and 467,927.12 is: 645,715.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,481.84 : 1,146,022.53 = 467,927.12 : x
  2. Step 2: Convert to fraction form
    830,481.84/1,146,022.53 = 467,927.12/x
  3. Step 3: Cross multiply
    830,481.84x = 1,146,022.53 × 467,927.12
  4. Step 4: Simplify right side
    830,481.84x = 536,255,016,187.90
  5. Step 5: Solve for x
    x = 536,255,016,187.90/830,481.84
  6. Step 6: Final answer
    x = 645,715.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.