Home / 589,964.20-885,407.10-274,460.20

Finding the Fourth Proportional to 589,964.20, 885,407.10 and 274,460.20

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Solution

The fourth proportional to 589,964.20, 885,407.10 and 274,460.20 is: 411,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,964.20 : 885,407.10 = 274,460.20 : x
  2. Step 2: Convert to fraction form
    589,964.20/885,407.10 = 274,460.20/x
  3. Step 3: Cross multiply
    589,964.20x = 885,407.10 × 274,460.20
  4. Step 4: Simplify right side
    589,964.20x = 243,009,009,747.42
  5. Step 5: Solve for x
    x = 243,009,009,747.42/589,964.20
  6. Step 6: Final answer
    x = 411,904.67

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