Home / 484,133.69-724,647.76-258,931.01

Finding the Fourth Proportional to 484,133.69, 724,647.76 and 258,931.01

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Solution

The fourth proportional to 484,133.69, 724,647.76 and 258,931.01 is: 387,566.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,133.69 : 724,647.76 = 258,931.01 : x
  2. Step 2: Convert to fraction form
    484,133.69/724,647.76 = 258,931.01/x
  3. Step 3: Cross multiply
    484,133.69x = 724,647.76 × 258,931.01
  4. Step 4: Simplify right side
    484,133.69x = 187,633,772,120.47
  5. Step 5: Solve for x
    x = 187,633,772,120.47/484,133.69
  6. Step 6: Final answer
    x = 387,566.03

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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.