Home / 1,122,370.61-1,683,804.69-323,589.83

Finding the Fourth Proportional to 1,122,370.61, 1,683,804.69 and 323,589.83

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Solution

The fourth proportional to 1,122,370.61, 1,683,804.69 and 323,589.83 is: 485,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,370.61 : 1,683,804.69 = 323,589.83 : x
  2. Step 2: Convert to fraction form
    1,122,370.61/1,683,804.69 = 323,589.83/x
  3. Step 3: Cross multiply
    1,122,370.61x = 1,683,804.69 × 323,589.83
  4. Step 4: Simplify right side
    1,122,370.61x = 544,862,071,772.35
  5. Step 5: Solve for x
    x = 544,862,071,772.35/1,122,370.61
  6. Step 6: Final answer
    x = 485,456.47

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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.