Home / 745,407.70-1,118,111.55-184,442.20

Finding the Fourth Proportional to 745,407.70, 1,118,111.55 and 184,442.20

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Solution

The fourth proportional to 745,407.70, 1,118,111.55 and 184,442.20 is: 276,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,407.70 : 1,118,111.55 = 184,442.20 : x
  2. Step 2: Convert to fraction form
    745,407.70/1,118,111.55 = 184,442.20/x
  3. Step 3: Cross multiply
    745,407.70x = 1,118,111.55 × 184,442.20
  4. Step 4: Simplify right side
    745,407.70x = 206,226,954,127.41
  5. Step 5: Solve for x
    x = 206,226,954,127.41/745,407.70
  6. Step 6: Final answer
    x = 276,663.30

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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.