Home / 418,137.81-577,011.69-236,846.10

Finding the Fourth Proportional to 418,137.81, 577,011.69 and 236,846.10

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Solution

The fourth proportional to 418,137.81, 577,011.69 and 236,846.10 is: 326,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,137.81 : 577,011.69 = 236,846.10 : x
  2. Step 2: Convert to fraction form
    418,137.81/577,011.69 = 236,846.10/x
  3. Step 3: Cross multiply
    418,137.81x = 577,011.69 × 236,846.10
  4. Step 4: Simplify right side
    418,137.81x = 136,662,968,430.91
  5. Step 5: Solve for x
    x = 136,662,968,430.91/418,137.81
  6. Step 6: Final answer
    x = 326,837.15

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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.