Home / 789,999.08-1,090,156.90-432,233.96

Finding the Fourth Proportional to 789,999.08, 1,090,156.90 and 432,233.96

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Solution

The fourth proportional to 789,999.08, 1,090,156.90 and 432,233.96 is: 596,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,999.08 : 1,090,156.90 = 432,233.96 : x
  2. Step 2: Convert to fraction form
    789,999.08/1,090,156.90 = 432,233.96/x
  3. Step 3: Cross multiply
    789,999.08x = 1,090,156.90 × 432,233.96
  4. Step 4: Simplify right side
    789,999.08x = 471,202,833,908.32
  5. Step 5: Solve for x
    x = 471,202,833,908.32/789,999.08
  6. Step 6: Final answer
    x = 596,459.98

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1.5x scale

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.