Home / 1,153,087.15-1,728,130.45-469,176.97

Finding the Fourth Proportional to 1,153,087.15, 1,728,130.45 and 469,176.97

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Solution

The fourth proportional to 1,153,087.15, 1,728,130.45 and 469,176.97 is: 703,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,087.15 : 1,728,130.45 = 469,176.97 : x
  2. Step 2: Convert to fraction form
    1,153,087.15/1,728,130.45 = 469,176.97/x
  3. Step 3: Cross multiply
    1,153,087.15x = 1,728,130.45 × 469,176.97
  4. Step 4: Simplify right side
    1,153,087.15x = 810,799,008,295.74
  5. Step 5: Solve for x
    x = 810,799,008,295.74/1,153,087.15
  6. Step 6: Final answer
    x = 703,155.01

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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.