Home / 723,022.86-997,831.26-400,834.02

Finding the Fourth Proportional to 723,022.86, 997,831.26 and 400,834.02

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Solution

The fourth proportional to 723,022.86, 997,831.26 and 400,834.02 is: 553,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,022.86 : 997,831.26 = 400,834.02 : x
  2. Step 2: Convert to fraction form
    723,022.86/997,831.26 = 400,834.02/x
  3. Step 3: Cross multiply
    723,022.86x = 997,831.26 × 400,834.02
  4. Step 4: Simplify right side
    723,022.86x = 399,964,715,227.47
  5. Step 5: Solve for x
    x = 399,964,715,227.47/723,022.86
  6. Step 6: Final answer
    x = 553,184.05

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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.