Home / 459,513.88-634,035.34-268,490.36

Finding the Fourth Proportional to 459,513.88, 634,035.34 and 268,490.36

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Solution

The fourth proportional to 459,513.88, 634,035.34 and 268,490.36 is: 370,461.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,513.88 : 634,035.34 = 268,490.36 : x
  2. Step 2: Convert to fraction form
    459,513.88/634,035.34 = 268,490.36/x
  3. Step 3: Cross multiply
    459,513.88x = 634,035.34 × 268,490.36
  4. Step 4: Simplify right side
    459,513.88x = 170,232,376,689.32
  5. Step 5: Solve for x
    x = 170,232,376,689.32/459,513.88
  6. Step 6: Final answer
    x = 370,461.88

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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.