Home / 460,972.64-636,095.76-257,004.36

Finding the Fourth Proportional to 460,972.64, 636,095.76 and 257,004.36

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Solution

The fourth proportional to 460,972.64, 636,095.76 and 257,004.36 is: 354,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,972.64 : 636,095.76 = 257,004.36 : x
  2. Step 2: Convert to fraction form
    460,972.64/636,095.76 = 257,004.36/x
  3. Step 3: Cross multiply
    460,972.64x = 636,095.76 × 257,004.36
  4. Step 4: Simplify right side
    460,972.64x = 163,479,383,697.51
  5. Step 5: Solve for x
    x = 163,479,383,697.51/460,972.64
  6. Step 6: Final answer
    x = 354,640.10

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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.