Home / 626,025.03-863,914.59-354,087.07

Finding the Fourth Proportional to 626,025.03, 863,914.59 and 354,087.07

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Solution

The fourth proportional to 626,025.03, 863,914.59 and 354,087.07 is: 488,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,025.03 : 863,914.59 = 354,087.07 : x
  2. Step 2: Convert to fraction form
    626,025.03/863,914.59 = 354,087.07/x
  3. Step 3: Cross multiply
    626,025.03x = 863,914.59 × 354,087.07
  4. Step 4: Simplify right side
    626,025.03x = 305,900,985,903.35
  5. Step 5: Solve for x
    x = 305,900,985,903.35/626,025.03
  6. Step 6: Final answer
    x = 488,640.18

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1.5x scale

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.