Home / 436,636.80-602,515.89-245,646.09

Finding the Fourth Proportional to 436,636.80, 602,515.89 and 245,646.09

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Solution

The fourth proportional to 436,636.80, 602,515.89 and 245,646.09 is: 338,967.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,636.80 : 602,515.89 = 245,646.09 : x
  2. Step 2: Convert to fraction form
    436,636.80/602,515.89 = 245,646.09/x
  3. Step 3: Cross multiply
    436,636.80x = 602,515.89 × 245,646.09
  4. Step 4: Simplify right side
    436,636.80x = 148,005,672,541.37
  5. Step 5: Solve for x
    x = 148,005,672,541.37/436,636.80
  6. Step 6: Final answer
    x = 338,967.47

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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.