Home / 386,552.30-579,828.45-360,308.30

Finding the Fourth Proportional to 386,552.30, 579,828.45 and 360,308.30

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Solution

The fourth proportional to 386,552.30, 579,828.45 and 360,308.30 is: 540,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,552.30 : 579,828.45 = 360,308.30 : x
  2. Step 2: Convert to fraction form
    386,552.30/579,828.45 = 360,308.30/x
  3. Step 3: Cross multiply
    386,552.30x = 579,828.45 × 360,308.30
  4. Step 4: Simplify right side
    386,552.30x = 208,917,003,111.14
  5. Step 5: Solve for x
    x = 208,917,003,111.14/386,552.30
  6. Step 6: Final answer
    x = 540,462.45

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Similar ratio
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1.5x scale

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.