Home / 384,094.51-529,971.32-220,719.47

Finding the Fourth Proportional to 384,094.51, 529,971.32 and 220,719.47

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Solution

The fourth proportional to 384,094.51, 529,971.32 and 220,719.47 is: 304,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,094.51 : 529,971.32 = 220,719.47 : x
  2. Step 2: Convert to fraction form
    384,094.51/529,971.32 = 220,719.47/x
  3. Step 3: Cross multiply
    384,094.51x = 529,971.32 × 220,719.47
  4. Step 4: Simplify right side
    384,094.51x = 116,974,986,767.54
  5. Step 5: Solve for x
    x = 116,974,986,767.54/384,094.51
  6. Step 6: Final answer
    x = 304,547.41

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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.