Home / 553,619.96-829,784.76-254,132.20

Finding the Fourth Proportional to 553,619.96, 829,784.76 and 254,132.20

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Solution

The fourth proportional to 553,619.96, 829,784.76 and 254,132.20 is: 380,902.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,619.96 : 829,784.76 = 254,132.20 : x
  2. Step 2: Convert to fraction form
    553,619.96/829,784.76 = 254,132.20/x
  3. Step 3: Cross multiply
    553,619.96x = 829,784.76 × 254,132.20
  4. Step 4: Simplify right side
    553,619.96x = 210,875,026,585.27
  5. Step 5: Solve for x
    x = 210,875,026,585.27/553,619.96
  6. Step 6: Final answer
    x = 380,902.14

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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.