Home / 386,415.60-579,623.40-176,463.60

Finding the Fourth Proportional to 386,415.60, 579,623.40 and 176,463.60

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Solution

The fourth proportional to 386,415.60, 579,623.40 and 176,463.60 is: 264,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,415.60 : 579,623.40 = 176,463.60 : x
  2. Step 2: Convert to fraction form
    386,415.60/579,623.40 = 176,463.60/x
  3. Step 3: Cross multiply
    386,415.60x = 579,623.40 × 176,463.60
  4. Step 4: Simplify right side
    386,415.60x = 102,282,431,808.24
  5. Step 5: Solve for x
    x = 102,282,431,808.24/386,415.60
  6. Step 6: Final answer
    x = 264,695.40

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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.