Home / 654,962.20-903,783.48-368,476.16

Finding the Fourth Proportional to 654,962.20, 903,783.48 and 368,476.16

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Solution

The fourth proportional to 654,962.20, 903,783.48 and 368,476.16 is: 508,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,962.20 : 903,783.48 = 368,476.16 : x
  2. Step 2: Convert to fraction form
    654,962.20/903,783.48 = 368,476.16/x
  3. Step 3: Cross multiply
    654,962.20x = 903,783.48 × 368,476.16
  4. Step 4: Simplify right side
    654,962.20x = 333,022,666,181.84
  5. Step 5: Solve for x
    x = 333,022,666,181.84/654,962.20
  6. Step 6: Final answer
    x = 508,460.89

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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.