Home / 919,908.12-1,379,415.06-351,314.04

Finding the Fourth Proportional to 919,908.12, 1,379,415.06 and 351,314.04

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Solution

The fourth proportional to 919,908.12, 1,379,415.06 and 351,314.04 is: 526,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,908.12 : 1,379,415.06 = 351,314.04 : x
  2. Step 2: Convert to fraction form
    919,908.12/1,379,415.06 = 351,314.04/x
  3. Step 3: Cross multiply
    919,908.12x = 1,379,415.06 × 351,314.04
  4. Step 4: Simplify right side
    919,908.12x = 484,607,877,565.44
  5. Step 5: Solve for x
    x = 484,607,877,565.44/919,908.12
  6. Step 6: Final answer
    x = 526,800.30

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1.5x scale

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.