Home / 1,132,657.60-1,698,986.40-628,772.80

Finding the Fourth Proportional to 1,132,657.60, 1,698,986.40 and 628,772.80

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Solution

The fourth proportional to 1,132,657.60, 1,698,986.40 and 628,772.80 is: 943,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,657.60 : 1,698,986.40 = 628,772.80 : x
  2. Step 2: Convert to fraction form
    1,132,657.60/1,698,986.40 = 628,772.80/x
  3. Step 3: Cross multiply
    1,132,657.60x = 1,698,986.40 × 628,772.80
  4. Step 4: Simplify right side
    1,132,657.60x = 1,068,276,435,889.92
  5. Step 5: Solve for x
    x = 1,068,276,435,889.92/1,132,657.60
  6. Step 6: Final answer
    x = 943,159.20

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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.