Home / 459,867.49-634,604.16-255,915.16

Finding the Fourth Proportional to 459,867.49, 634,604.16 and 255,915.16

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Solution

The fourth proportional to 459,867.49, 634,604.16 and 255,915.16 is: 353,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,867.49 : 634,604.16 = 255,915.16 : x
  2. Step 2: Convert to fraction form
    459,867.49/634,604.16 = 255,915.16/x
  3. Step 3: Cross multiply
    459,867.49x = 634,604.16 × 255,915.16
  4. Step 4: Simplify right side
    459,867.49x = 162,404,825,143.07
  5. Step 5: Solve for x
    x = 162,404,825,143.07/459,867.49
  6. Step 6: Final answer
    x = 353,155.70

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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.