Home / 623,297.92-935,776.32-328,017.28

Finding the Fourth Proportional to 623,297.92, 935,776.32 and 328,017.28

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Solution

The fourth proportional to 623,297.92, 935,776.32 and 328,017.28 is: 492,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,297.92 : 935,776.32 = 328,017.28 : x
  2. Step 2: Convert to fraction form
    623,297.92/935,776.32 = 328,017.28/x
  3. Step 3: Cross multiply
    623,297.92x = 935,776.32 × 328,017.28
  4. Step 4: Simplify right side
    623,297.92x = 306,950,803,174.81
  5. Step 5: Solve for x
    x = 306,950,803,174.81/623,297.92
  6. Step 6: Final answer
    x = 492,462.42

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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.