Home / 578,304.91-867,501.20-178,986.07

Finding the Fourth Proportional to 578,304.91, 867,501.20 and 178,986.07

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Solution

The fourth proportional to 578,304.91, 867,501.20 and 178,986.07 is: 268,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,304.91 : 867,501.20 = 178,986.07 : x
  2. Step 2: Convert to fraction form
    578,304.91/867,501.20 = 178,986.07/x
  3. Step 3: Cross multiply
    578,304.91x = 867,501.20 × 178,986.07
  4. Step 4: Simplify right side
    578,304.91x = 155,270,630,508.28
  5. Step 5: Solve for x
    x = 155,270,630,508.28/578,304.91
  6. Step 6: Final answer
    x = 268,492.67

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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.