Home / 822,765.93-1,233,569.34-316,903.11

Finding the Fourth Proportional to 822,765.93, 1,233,569.34 and 316,903.11

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Solution

The fourth proportional to 822,765.93, 1,233,569.34 and 316,903.11 is: 475,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,765.93 : 1,233,569.34 = 316,903.11 : x
  2. Step 2: Convert to fraction form
    822,765.93/1,233,569.34 = 316,903.11/x
  3. Step 3: Cross multiply
    822,765.93x = 1,233,569.34 × 316,903.11
  4. Step 4: Simplify right side
    822,765.93x = 390,921,960,246.65
  5. Step 5: Solve for x
    x = 390,921,960,246.65/822,765.93
  6. Step 6: Final answer
    x = 475,131.44

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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.