Home / 985,195.20-1,477,807.32-650,380.08

Finding the Fourth Proportional to 985,195.20, 1,477,807.32 and 650,380.08

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Solution

The fourth proportional to 985,195.20, 1,477,807.32 and 650,380.08 is: 975,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,195.20 : 1,477,807.32 = 650,380.08 : x
  2. Step 2: Convert to fraction form
    985,195.20/1,477,807.32 = 650,380.08/x
  3. Step 3: Cross multiply
    985,195.20x = 1,477,807.32 × 650,380.08
  4. Step 4: Simplify right side
    985,195.20x = 961,136,443,006.19
  5. Step 5: Solve for x
    x = 961,136,443,006.19/985,195.20
  6. Step 6: Final answer
    x = 975,579.71

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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.