Home / 1,211,132.61-1,817,054.19-358,226.76

Finding the Fourth Proportional to 1,211,132.61, 1,817,054.19 and 358,226.76

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Solution

The fourth proportional to 1,211,132.61, 1,817,054.19 and 358,226.76 is: 537,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,132.61 : 1,817,054.19 = 358,226.76 : x
  2. Step 2: Convert to fraction form
    1,211,132.61/1,817,054.19 = 358,226.76/x
  3. Step 3: Cross multiply
    1,211,132.61x = 1,817,054.19 × 358,226.76
  4. Step 4: Simplify right side
    1,211,132.61x = 650,917,435,228.12
  5. Step 5: Solve for x
    x = 650,917,435,228.12/1,211,132.61
  6. Step 6: Final answer
    x = 537,445.22

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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.