Home / 459,759.40-688,083.90-403,772.20

Finding the Fourth Proportional to 459,759.40, 688,083.90 and 403,772.20

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Solution

The fourth proportional to 459,759.40, 688,083.90 and 403,772.20 is: 604,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,759.40 : 688,083.90 = 403,772.20 : x
  2. Step 2: Convert to fraction form
    459,759.40/688,083.90 = 403,772.20/x
  3. Step 3: Cross multiply
    459,759.40x = 688,083.90 × 403,772.20
  4. Step 4: Simplify right side
    459,759.40x = 277,829,150,087.58
  5. Step 5: Solve for x
    x = 277,829,150,087.58/459,759.40
  6. Step 6: Final answer
    x = 604,292.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.