Home / 539,914.71-745,068.04-298,192.08

Finding the Fourth Proportional to 539,914.71, 745,068.04 and 298,192.08

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Solution

The fourth proportional to 539,914.71, 745,068.04 and 298,192.08 is: 411,497.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,914.71 : 745,068.04 = 298,192.08 : x
  2. Step 2: Convert to fraction form
    539,914.71/745,068.04 = 298,192.08/x
  3. Step 3: Cross multiply
    539,914.71x = 745,068.04 × 298,192.08
  4. Step 4: Simplify right side
    539,914.71x = 222,173,388,589.12
  5. Step 5: Solve for x
    x = 222,173,388,589.12/539,914.71
  6. Step 6: Final answer
    x = 411,497.19

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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.