Home / 1,211,132.72-1,817,054.35-358,226.87

Finding the Fourth Proportional to 1,211,132.72, 1,817,054.35 and 358,226.87

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Solution

The fourth proportional to 1,211,132.72, 1,817,054.35 and 358,226.87 is: 537,445.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,132.72 : 1,817,054.35 = 358,226.87 : x
  2. Step 2: Convert to fraction form
    1,211,132.72/1,817,054.35 = 358,226.87/x
  3. Step 3: Cross multiply
    1,211,132.72x = 1,817,054.35 × 358,226.87
  4. Step 4: Simplify right side
    1,211,132.72x = 650,917,682,439.55
  5. Step 5: Solve for x
    x = 650,917,682,439.55/1,211,132.72
  6. Step 6: Final answer
    x = 537,445.38

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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.