Home / 466,324.12-643,512.90-262,386.46

Finding the Fourth Proportional to 466,324.12, 643,512.90 and 262,386.46

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Solution

The fourth proportional to 466,324.12, 643,512.90 and 262,386.46 is: 362,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,324.12 : 643,512.90 = 262,386.46 : x
  2. Step 2: Convert to fraction form
    466,324.12/643,512.90 = 262,386.46/x
  3. Step 3: Cross multiply
    466,324.12x = 643,512.90 × 262,386.46
  4. Step 4: Simplify right side
    466,324.12x = 168,849,071,795.33
  5. Step 5: Solve for x
    x = 168,849,071,795.33/466,324.12
  6. Step 6: Final answer
    x = 362,085.22

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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.