Home / 745,362.54-1,117,451.43-324,343.17

Finding the Fourth Proportional to 745,362.54, 1,117,451.43 and 324,343.17

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Solution

The fourth proportional to 745,362.54, 1,117,451.43 and 324,343.17 is: 486,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,362.54 : 1,117,451.43 = 324,343.17 : x
  2. Step 2: Convert to fraction form
    745,362.54/1,117,451.43 = 324,343.17/x
  3. Step 3: Cross multiply
    745,362.54x = 1,117,451.43 × 324,343.17
  4. Step 4: Simplify right side
    745,362.54x = 362,437,739,127.23
  5. Step 5: Solve for x
    x = 362,437,739,127.23/745,362.54
  6. Step 6: Final answer
    x = 486,256.98

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Double scale
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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.