Home / 639,544.20-882,547.86-353,058.14

Finding the Fourth Proportional to 639,544.20, 882,547.86 and 353,058.14

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Solution

The fourth proportional to 639,544.20, 882,547.86 and 353,058.14 is: 487,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,544.20 : 882,547.86 = 353,058.14 : x
  2. Step 2: Convert to fraction form
    639,544.20/882,547.86 = 353,058.14/x
  3. Step 3: Cross multiply
    639,544.20x = 882,547.86 × 353,058.14
  4. Step 4: Simplify right side
    639,544.20x = 311,590,701,499.84
  5. Step 5: Solve for x
    x = 311,590,701,499.84/639,544.20
  6. Step 6: Final answer
    x = 487,207.45

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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.