Home / 436,900.38-602,777.96-255,483.78

Finding the Fourth Proportional to 436,900.38, 602,777.96 and 255,483.78

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Solution

The fourth proportional to 436,900.38, 602,777.96 and 255,483.78 is: 352,483.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,900.38 : 602,777.96 = 255,483.78 : x
  2. Step 2: Convert to fraction form
    436,900.38/602,777.96 = 255,483.78/x
  3. Step 3: Cross multiply
    436,900.38x = 602,777.96 × 255,483.78
  4. Step 4: Simplify right side
    436,900.38x = 153,999,991,721.49
  5. Step 5: Solve for x
    x = 153,999,991,721.49/436,900.38
  6. Step 6: Final answer
    x = 352,483.08

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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.