Home / 457,405.39-631,210.01-253,454.52

Finding the Fourth Proportional to 457,405.39, 631,210.01 and 253,454.52

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Solution

The fourth proportional to 457,405.39, 631,210.01 and 253,454.52 is: 349,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,405.39 : 631,210.01 = 253,454.52 : x
  2. Step 2: Convert to fraction form
    457,405.39/631,210.01 = 253,454.52/x
  3. Step 3: Cross multiply
    457,405.39x = 631,210.01 × 253,454.52
  4. Step 4: Simplify right side
    457,405.39x = 159,983,028,836.47
  5. Step 5: Solve for x
    x = 159,983,028,836.47/457,405.39
  6. Step 6: Final answer
    x = 349,762.01

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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.