Home / 668,567.76-1,001,908.80-369,183.12

Finding the Fourth Proportional to 668,567.76, 1,001,908.80 and 369,183.12

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Solution

The fourth proportional to 668,567.76, 1,001,908.80 and 369,183.12 is: 553,254.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,567.76 : 1,001,908.80 = 369,183.12 : x
  2. Step 2: Convert to fraction form
    668,567.76/1,001,908.80 = 369,183.12/x
  3. Step 3: Cross multiply
    668,567.76x = 1,001,908.80 × 369,183.12
  4. Step 4: Simplify right side
    668,567.76x = 369,887,816,739.46
  5. Step 5: Solve for x
    x = 369,887,816,739.46/668,567.76
  6. Step 6: Final answer
    x = 553,254.04

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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.