Home / 840,104.40-1,260,156.60-603,908.40

Finding the Fourth Proportional to 840,104.40, 1,260,156.60 and 603,908.40

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Solution

The fourth proportional to 840,104.40, 1,260,156.60 and 603,908.40 is: 905,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,104.40 : 1,260,156.60 = 603,908.40 : x
  2. Step 2: Convert to fraction form
    840,104.40/1,260,156.60 = 603,908.40/x
  3. Step 3: Cross multiply
    840,104.40x = 1,260,156.60 × 603,908.40
  4. Step 4: Simplify right side
    840,104.40x = 761,019,156,055.44
  5. Step 5: Solve for x
    x = 761,019,156,055.44/840,104.40
  6. Step 6: Final answer
    x = 905,862.60

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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.