Home / 436,326.28-602,118.30-245,334.76

Finding the Fourth Proportional to 436,326.28, 602,118.30 and 245,334.76

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Solution

The fourth proportional to 436,326.28, 602,118.30 and 245,334.76 is: 338,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,326.28 : 602,118.30 = 245,334.76 : x
  2. Step 2: Convert to fraction form
    436,326.28/602,118.30 = 245,334.76/x
  3. Step 3: Cross multiply
    436,326.28x = 602,118.30 × 245,334.76
  4. Step 4: Simplify right side
    436,326.28x = 147,720,548,622.11
  5. Step 5: Solve for x
    x = 147,720,548,622.11/436,326.28
  6. Step 6: Final answer
    x = 338,555.24

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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.