Home / 556,828.83-768,423.74-302,180.04

Finding the Fourth Proportional to 556,828.83, 768,423.74 and 302,180.04

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Solution

The fourth proportional to 556,828.83, 768,423.74 and 302,180.04 is: 417,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,828.83 : 768,423.74 = 302,180.04 : x
  2. Step 2: Convert to fraction form
    556,828.83/768,423.74 = 302,180.04/x
  3. Step 3: Cross multiply
    556,828.83x = 768,423.74 × 302,180.04
  4. Step 4: Simplify right side
    556,828.83x = 232,202,314,979.25
  5. Step 5: Solve for x
    x = 232,202,314,979.25/556,828.83
  6. Step 6: Final answer
    x = 417,008.43

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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.