Home / 729,089.60-1,093,634.40-655,606.40

Finding the Fourth Proportional to 729,089.60, 1,093,634.40 and 655,606.40

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Solution

The fourth proportional to 729,089.60, 1,093,634.40 and 655,606.40 is: 983,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,089.60 : 1,093,634.40 = 655,606.40 : x
  2. Step 2: Convert to fraction form
    729,089.60/1,093,634.40 = 655,606.40/x
  3. Step 3: Cross multiply
    729,089.60x = 1,093,634.40 × 655,606.40
  4. Step 4: Simplify right side
    729,089.60x = 716,993,711,900.16
  5. Step 5: Solve for x
    x = 716,993,711,900.16/729,089.60
  6. Step 6: Final answer
    x = 983,409.60

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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.