Home / 436,421.03-602,251.53-252,667.34

Finding the Fourth Proportional to 436,421.03, 602,251.53 and 252,667.34

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Solution

The fourth proportional to 436,421.03, 602,251.53 and 252,667.34 is: 348,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,421.03 : 602,251.53 = 252,667.34 : x
  2. Step 2: Convert to fraction form
    436,421.03/602,251.53 = 252,667.34/x
  3. Step 3: Cross multiply
    436,421.03x = 602,251.53 × 252,667.34
  4. Step 4: Simplify right side
    436,421.03x = 152,169,289,084.77
  5. Step 5: Solve for x
    x = 152,169,289,084.77/436,421.03
  6. Step 6: Final answer
    x = 348,675.43

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Half scale
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Double scale
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Similar ratio
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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.