Home / 589,555.52-812,762.80-498,546.36

Finding the Fourth Proportional to 589,555.52, 812,762.80 and 498,546.36

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Solution

The fourth proportional to 589,555.52, 812,762.80 and 498,546.36 is: 687,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,555.52 : 812,762.80 = 498,546.36 : x
  2. Step 2: Convert to fraction form
    589,555.52/812,762.80 = 498,546.36/x
  3. Step 3: Cross multiply
    589,555.52x = 812,762.80 × 498,546.36
  4. Step 4: Simplify right side
    589,555.52x = 405,199,935,483.41
  5. Step 5: Solve for x
    x = 405,199,935,483.41/589,555.52
  6. Step 6: Final answer
    x = 687,297.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.