Home / 838,386.54-1,156,937.13-456,414.66

Finding the Fourth Proportional to 838,386.54, 1,156,937.13 and 456,414.66

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Solution

The fourth proportional to 838,386.54, 1,156,937.13 and 456,414.66 is: 629,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,386.54 : 1,156,937.13 = 456,414.66 : x
  2. Step 2: Convert to fraction form
    838,386.54/1,156,937.13 = 456,414.66/x
  3. Step 3: Cross multiply
    838,386.54x = 1,156,937.13 × 456,414.66
  4. Step 4: Simplify right side
    838,386.54x = 528,043,066,830.33
  5. Step 5: Solve for x
    x = 528,043,066,830.33/838,386.54
  6. Step 6: Final answer
    x = 629,832.47

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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.