Home / 723,582.27-998,604.86-401,396.16

Finding the Fourth Proportional to 723,582.27, 998,604.86 and 401,396.16

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Solution

The fourth proportional to 723,582.27, 998,604.86 and 401,396.16 is: 553,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,582.27 : 998,604.86 = 401,396.16 : x
  2. Step 2: Convert to fraction form
    723,582.27/998,604.86 = 401,396.16/x
  3. Step 3: Cross multiply
    723,582.27x = 998,604.86 × 401,396.16
  4. Step 4: Simplify right side
    723,582.27x = 400,836,154,154.36
  5. Step 5: Solve for x
    x = 400,836,154,154.36/723,582.27
  6. Step 6: Final answer
    x = 553,960.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.