Home / 698,522.60-1,048,244.70-255,290.60

Finding the Fourth Proportional to 698,522.60, 1,048,244.70 and 255,290.60

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Solution

The fourth proportional to 698,522.60, 1,048,244.70 and 255,290.60 is: 383,104.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,522.60 : 1,048,244.70 = 255,290.60 : x
  2. Step 2: Convert to fraction form
    698,522.60/1,048,244.70 = 255,290.60/x
  3. Step 3: Cross multiply
    698,522.60x = 1,048,244.70 × 255,290.60
  4. Step 4: Simplify right side
    698,522.60x = 267,607,018,409.82
  5. Step 5: Solve for x
    x = 267,607,018,409.82/698,522.60
  6. Step 6: Final answer
    x = 383,104.31

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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.