Home / 725,586.99-1,089,955.14-613,492.32

Finding the Fourth Proportional to 725,586.99, 1,089,955.14 and 613,492.32

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Solution

The fourth proportional to 725,586.99, 1,089,955.14 and 613,492.32 is: 921,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,586.99 : 1,089,955.14 = 613,492.32 : x
  2. Step 2: Convert to fraction form
    725,586.99/1,089,955.14 = 613,492.32/x
  3. Step 3: Cross multiply
    725,586.99x = 1,089,955.14 × 613,492.32
  4. Step 4: Simplify right side
    725,586.99x = 668,679,107,534.53
  5. Step 5: Solve for x
    x = 668,679,107,534.53/725,586.99
  6. Step 6: Final answer
    x = 921,569.87

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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.