Home / 554,523.04-765,206.16-316,043.68

Finding the Fourth Proportional to 554,523.04, 765,206.16 and 316,043.68

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Solution

The fourth proportional to 554,523.04, 765,206.16 and 316,043.68 is: 436,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,523.04 : 765,206.16 = 316,043.68 : x
  2. Step 2: Convert to fraction form
    554,523.04/765,206.16 = 316,043.68/x
  3. Step 3: Cross multiply
    554,523.04x = 765,206.16 × 316,043.68
  4. Step 4: Simplify right side
    554,523.04x = 241,838,570,765.07
  5. Step 5: Solve for x
    x = 241,838,570,765.07/554,523.04
  6. Step 6: Final answer
    x = 436,119.97

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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.