Home / 838,066.32-1,156,509.36-456,084.90

Finding the Fourth Proportional to 838,066.32, 1,156,509.36 and 456,084.90

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Solution

The fourth proportional to 838,066.32, 1,156,509.36 and 456,084.90 is: 629,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,066.32 : 1,156,509.36 = 456,084.90 : x
  2. Step 2: Convert to fraction form
    838,066.32/1,156,509.36 = 456,084.90/x
  3. Step 3: Cross multiply
    838,066.32x = 1,156,509.36 × 456,084.90
  4. Step 4: Simplify right side
    838,066.32x = 527,466,455,804.66
  5. Step 5: Solve for x
    x = 527,466,455,804.66/838,066.32
  6. Step 6: Final answer
    x = 629,385.10

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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.