Home / 668,562.51-1,001,900.91-369,177.87

Finding the Fourth Proportional to 668,562.51, 1,001,900.91 and 369,177.87

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Solution

The fourth proportional to 668,562.51, 1,001,900.91 and 369,177.87 is: 553,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,562.51 : 1,001,900.91 = 369,177.87 : x
  2. Step 2: Convert to fraction form
    668,562.51/1,001,900.91 = 369,177.87/x
  3. Step 3: Cross multiply
    668,562.51x = 1,001,900.91 × 369,177.87
  4. Step 4: Simplify right side
    668,562.51x = 369,879,643,904.86
  5. Step 5: Solve for x
    x = 369,879,643,904.86/668,562.51
  6. Step 6: Final answer
    x = 553,246.16

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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.