Home / 1,225,645.89-1,838,764.07-384,197.64

Finding the Fourth Proportional to 1,225,645.89, 1,838,764.07 and 384,197.64

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Solution

The fourth proportional to 1,225,645.89, 1,838,764.07 and 384,197.64 is: 576,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,645.89 : 1,838,764.07 = 384,197.64 : x
  2. Step 2: Convert to fraction form
    1,225,645.89/1,838,764.07 = 384,197.64/x
  3. Step 3: Cross multiply
    1,225,645.89x = 1,838,764.07 × 384,197.64
  4. Step 4: Simplify right side
    1,225,645.89x = 706,448,816,210.80
  5. Step 5: Solve for x
    x = 706,448,816,210.80/1,225,645.89
  6. Step 6: Final answer
    x = 576,389.01

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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.