Home / 961,305.60-1,440,403.20-605,683.20

Finding the Fourth Proportional to 961,305.60, 1,440,403.20 and 605,683.20

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Solution

The fourth proportional to 961,305.60, 1,440,403.20 and 605,683.20 is: 907,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,305.60 : 1,440,403.20 = 605,683.20 : x
  2. Step 2: Convert to fraction form
    961,305.60/1,440,403.20 = 605,683.20/x
  3. Step 3: Cross multiply
    961,305.60x = 1,440,403.20 × 605,683.20
  4. Step 4: Simplify right side
    961,305.60x = 872,428,019,466.24
  5. Step 5: Solve for x
    x = 872,428,019,466.24/961,305.60
  6. Step 6: Final answer
    x = 907,544.93

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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.