Home / 453,619.90-625,954.80-262,646.20

Finding the Fourth Proportional to 453,619.90, 625,954.80 and 262,646.20

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Solution

The fourth proportional to 453,619.90, 625,954.80 and 262,646.20 is: 362,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,619.90 : 625,954.80 = 262,646.20 : x
  2. Step 2: Convert to fraction form
    453,619.90/625,954.80 = 262,646.20/x
  3. Step 3: Cross multiply
    453,619.90x = 625,954.80 × 262,646.20
  4. Step 4: Simplify right side
    453,619.90x = 164,404,649,591.76
  5. Step 5: Solve for x
    x = 164,404,649,591.76/453,619.90
  6. Step 6: Final answer
    x = 362,428.21

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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.