Home / 1,258,527.20-1,889,019.60-628,152.80

Finding the Fourth Proportional to 1,258,527.20, 1,889,019.60 and 628,152.80

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Solution

The fourth proportional to 1,258,527.20, 1,889,019.60 and 628,152.80 is: 942,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,527.20 : 1,889,019.60 = 628,152.80 : x
  2. Step 2: Convert to fraction form
    1,258,527.20/1,889,019.60 = 628,152.80/x
  3. Step 3: Cross multiply
    1,258,527.20x = 1,889,019.60 × 628,152.80
  4. Step 4: Simplify right side
    1,258,527.20x = 1,186,592,950,994.88
  5. Step 5: Solve for x
    x = 1,186,592,950,994.88/1,258,527.20
  6. Step 6: Final answer
    x = 942,842.52

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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.