Home / 659,746.86-989,660.28-186,467.64

Finding the Fourth Proportional to 659,746.86, 989,660.28 and 186,467.64

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Solution

The fourth proportional to 659,746.86, 989,660.28 and 186,467.64 is: 279,712.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,746.86 : 989,660.28 = 186,467.64 : x
  2. Step 2: Convert to fraction form
    659,746.86/989,660.28 = 186,467.64/x
  3. Step 3: Cross multiply
    659,746.86x = 989,660.28 × 186,467.64
  4. Step 4: Simplify right side
    659,746.86x = 184,539,616,813.34
  5. Step 5: Solve for x
    x = 184,539,616,813.34/659,746.86
  6. Step 6: Final answer
    x = 279,712.76

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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.