Home / 339,918.12-468,653.58-212,547.24

Finding the Fourth Proportional to 339,918.12, 468,653.58 and 212,547.24

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Solution

The fourth proportional to 339,918.12, 468,653.58 and 212,547.24 is: 293,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,918.12 : 468,653.58 = 212,547.24 : x
  2. Step 2: Convert to fraction form
    339,918.12/468,653.58 = 212,547.24/x
  3. Step 3: Cross multiply
    339,918.12x = 468,653.58 × 212,547.24
  4. Step 4: Simplify right side
    339,918.12x = 99,611,024,945.12
  5. Step 5: Solve for x
    x = 99,611,024,945.12/339,918.12
  6. Step 6: Final answer
    x = 293,044.17

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1.5x scale

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.