Home / 637,332.24-879,550.20-350,849.28

Finding the Fourth Proportional to 637,332.24, 879,550.20 and 350,849.28

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Solution

The fourth proportional to 637,332.24, 879,550.20 and 350,849.28 is: 484,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,332.24 : 879,550.20 = 350,849.28 : x
  2. Step 2: Convert to fraction form
    637,332.24/879,550.20 = 350,849.28/x
  3. Step 3: Cross multiply
    637,332.24x = 879,550.20 × 350,849.28
  4. Step 4: Simplify right side
    637,332.24x = 308,589,554,393.86
  5. Step 5: Solve for x
    x = 308,589,554,393.86/637,332.24
  6. Step 6: Final answer
    x = 484,189.46

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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.