Home / 370,623.40-555,935.10-329,289.10

Finding the Fourth Proportional to 370,623.40, 555,935.10 and 329,289.10

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Solution

The fourth proportional to 370,623.40, 555,935.10 and 329,289.10 is: 493,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,623.40 : 555,935.10 = 329,289.10 : x
  2. Step 2: Convert to fraction form
    370,623.40/555,935.10 = 329,289.10/x
  3. Step 3: Cross multiply
    370,623.40x = 555,935.10 × 329,289.10
  4. Step 4: Simplify right side
    370,623.40x = 183,063,368,737.41
  5. Step 5: Solve for x
    x = 183,063,368,737.41/370,623.40
  6. Step 6: Final answer
    x = 493,933.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.