Home / 976,598.40-1,347,674.40-540,997.80

Finding the Fourth Proportional to 976,598.40, 1,347,674.40 and 540,997.80

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Solution

The fourth proportional to 976,598.40, 1,347,674.40 and 540,997.80 is: 746,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,598.40 : 1,347,674.40 = 540,997.80 : x
  2. Step 2: Convert to fraction form
    976,598.40/1,347,674.40 = 540,997.80/x
  3. Step 3: Cross multiply
    976,598.40x = 1,347,674.40 × 540,997.80
  4. Step 4: Simplify right side
    976,598.40x = 729,088,885,516.32
  5. Step 5: Solve for x
    x = 729,088,885,516.32/976,598.40
  6. Step 6: Final answer
    x = 746,559.57

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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.