Home / 436,423.52-602,255-252,669.84

Finding the Fourth Proportional to 436,423.52, 602,255 and 252,669.84

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Solution

The fourth proportional to 436,423.52, 602,255 and 252,669.84 is: 348,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,423.52 : 602,255 = 252,669.84 : x
  2. Step 2: Convert to fraction form
    436,423.52/602,255 = 252,669.84/x
  3. Step 3: Cross multiply
    436,423.52x = 602,255 × 252,669.84
  4. Step 4: Simplify right side
    436,423.52x = 152,171,674,489.20
  5. Step 5: Solve for x
    x = 152,171,674,489.20/436,423.52
  6. Step 6: Final answer
    x = 348,678.90

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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.