Home / 919,677.06-1,379,113.44-463,987.95

Finding the Fourth Proportional to 919,677.06, 1,379,113.44 and 463,987.95

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Solution

The fourth proportional to 919,677.06, 1,379,113.44 and 463,987.95 is: 695,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,677.06 : 1,379,113.44 = 463,987.95 : x
  2. Step 2: Convert to fraction form
    919,677.06/1,379,113.44 = 463,987.95/x
  3. Step 3: Cross multiply
    919,677.06x = 1,379,113.44 × 463,987.95
  4. Step 4: Simplify right side
    919,677.06x = 639,892,017,843.05
  5. Step 5: Solve for x
    x = 639,892,017,843.05/919,677.06
  6. Step 6: Final answer
    x = 695,779.04

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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.