Home / 384,726.48-577,088.78-361,316.62

Finding the Fourth Proportional to 384,726.48, 577,088.78 and 361,316.62

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Solution

The fourth proportional to 384,726.48, 577,088.78 and 361,316.62 is: 541,974.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,726.48 : 577,088.78 = 361,316.62 : x
  2. Step 2: Convert to fraction form
    384,726.48/577,088.78 = 361,316.62/x
  3. Step 3: Cross multiply
    384,726.48x = 577,088.78 × 361,316.62
  4. Step 4: Simplify right side
    384,726.48x = 208,511,768,983.57
  5. Step 5: Solve for x
    x = 208,511,768,983.57/384,726.48
  6. Step 6: Final answer
    x = 541,974.04

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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.