Home / 492,066.03-679,053.20-277,208.67

Finding the Fourth Proportional to 492,066.03, 679,053.20 and 277,208.67

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Solution

The fourth proportional to 492,066.03, 679,053.20 and 277,208.67 is: 382,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,066.03 : 679,053.20 = 277,208.67 : x
  2. Step 2: Convert to fraction form
    492,066.03/679,053.20 = 277,208.67/x
  3. Step 3: Cross multiply
    492,066.03x = 679,053.20 × 277,208.67
  4. Step 4: Simplify right side
    492,066.03x = 188,239,433,045.20
  5. Step 5: Solve for x
    x = 188,239,433,045.20/492,066.03
  6. Step 6: Final answer
    x = 382,549.13

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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.