Home / 789,580.56-1,088,633.70-658,946.28

Finding the Fourth Proportional to 789,580.56, 1,088,633.70 and 658,946.28

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Solution

The fourth proportional to 789,580.56, 1,088,633.70 and 658,946.28 is: 908,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,580.56 : 1,088,633.70 = 658,946.28 : x
  2. Step 2: Convert to fraction form
    789,580.56/1,088,633.70 = 658,946.28/x
  3. Step 3: Cross multiply
    789,580.56x = 1,088,633.70 × 658,946.28
  4. Step 4: Simplify right side
    789,580.56x = 717,351,126,897.64
  5. Step 5: Solve for x
    x = 717,351,126,897.64/789,580.56
  6. Step 6: Final answer
    x = 908,521.77

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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.