Home / 828,651.84-1,243,030.40-260,055.41

Finding the Fourth Proportional to 828,651.84, 1,243,030.40 and 260,055.41

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Solution

The fourth proportional to 828,651.84, 1,243,030.40 and 260,055.41 is: 390,099.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,651.84 : 1,243,030.40 = 260,055.41 : x
  2. Step 2: Convert to fraction form
    828,651.84/1,243,030.40 = 260,055.41/x
  3. Step 3: Cross multiply
    828,651.84x = 1,243,030.40 × 260,055.41
  4. Step 4: Simplify right side
    828,651.84x = 323,256,778,435.61
  5. Step 5: Solve for x
    x = 323,256,778,435.61/828,651.84
  6. Step 6: Final answer
    x = 390,099.63

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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.