Home / 1,185,617.35-1,778,708.97-386,900.35

Finding the Fourth Proportional to 1,185,617.35, 1,778,708.97 and 386,900.35

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Solution

The fourth proportional to 1,185,617.35, 1,778,708.97 and 386,900.35 is: 580,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,617.35 : 1,778,708.97 = 386,900.35 : x
  2. Step 2: Convert to fraction form
    1,185,617.35/1,778,708.97 = 386,900.35/x
  3. Step 3: Cross multiply
    1,185,617.35x = 1,778,708.97 × 386,900.35
  4. Step 4: Simplify right side
    1,185,617.35x = 688,183,118,594.37
  5. Step 5: Solve for x
    x = 688,183,118,594.37/1,185,617.35
  6. Step 6: Final answer
    x = 580,442.85

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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.