Home / 436,344.28-602,143.14-245,352.76

Finding the Fourth Proportional to 436,344.28, 602,143.14 and 245,352.76

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Solution

The fourth proportional to 436,344.28, 602,143.14 and 245,352.76 is: 338,580.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,344.28 : 602,143.14 = 245,352.76 : x
  2. Step 2: Convert to fraction form
    436,344.28/602,143.14 = 245,352.76/x
  3. Step 3: Cross multiply
    436,344.28x = 602,143.14 × 245,352.76
  4. Step 4: Simplify right side
    436,344.28x = 147,737,481,314.07
  5. Step 5: Solve for x
    x = 147,737,481,314.07/436,344.28
  6. Step 6: Final answer
    x = 338,580.08

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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.