Home / 1,173,344.74-1,619,216.40-636,800.74

Finding the Fourth Proportional to 1,173,344.74, 1,619,216.40 and 636,800.74

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Solution

The fourth proportional to 1,173,344.74, 1,619,216.40 and 636,800.74 is: 878,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,344.74 : 1,619,216.40 = 636,800.74 : x
  2. Step 2: Convert to fraction form
    1,173,344.74/1,619,216.40 = 636,800.74/x
  3. Step 3: Cross multiply
    1,173,344.74x = 1,619,216.40 × 636,800.74
  4. Step 4: Simplify right side
    1,173,344.74x = 1,031,118,201,740.14
  5. Step 5: Solve for x
    x = 1,031,118,201,740.14/1,173,344.74
  6. Step 6: Final answer
    x = 878,785.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.