Home / 483,009.48-724,809.06-305,271.72

Finding the Fourth Proportional to 483,009.48, 724,809.06 and 305,271.72

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Solution

The fourth proportional to 483,009.48, 724,809.06 and 305,271.72 is: 458,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,009.48 : 724,809.06 = 305,271.72 : x
  2. Step 2: Convert to fraction form
    483,009.48/724,809.06 = 305,271.72/x
  3. Step 3: Cross multiply
    483,009.48x = 724,809.06 × 305,271.72
  4. Step 4: Simplify right side
    483,009.48x = 221,263,708,417.78
  5. Step 5: Solve for x
    x = 221,263,708,417.78/483,009.48
  6. Step 6: Final answer
    x = 458,093.92

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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.