Home / 912,519.32-1,368,566.64-343,957.64

Finding the Fourth Proportional to 912,519.32, 1,368,566.64 and 343,957.64

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Solution

The fourth proportional to 912,519.32, 1,368,566.64 and 343,957.64 is: 515,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,519.32 : 1,368,566.64 = 343,957.64 : x
  2. Step 2: Convert to fraction form
    912,519.32/1,368,566.64 = 343,957.64/x
  3. Step 3: Cross multiply
    912,519.32x = 1,368,566.64 × 343,957.64
  4. Step 4: Simplify right side
    912,519.32x = 470,728,944,834.30
  5. Step 5: Solve for x
    x = 470,728,944,834.30/912,519.32
  6. Step 6: Final answer
    x = 515,856.42

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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.