Home / 467,901.36-645,767.64-286,623.36

Finding the Fourth Proportional to 467,901.36, 645,767.64 and 286,623.36

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Solution

The fourth proportional to 467,901.36, 645,767.64 and 286,623.36 is: 395,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,901.36 : 645,767.64 = 286,623.36 : x
  2. Step 2: Convert to fraction form
    467,901.36/645,767.64 = 286,623.36/x
  3. Step 3: Cross multiply
    467,901.36x = 645,767.64 × 286,623.36
  4. Step 4: Simplify right side
    467,901.36x = 185,092,090,756.07
  5. Step 5: Solve for x
    x = 185,092,090,756.07/467,901.36
  6. Step 6: Final answer
    x = 395,579.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.