Home / 1,211,106.08-1,817,384.88-501,143.84

Finding the Fourth Proportional to 1,211,106.08, 1,817,384.88 and 501,143.84

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Solution

The fourth proportional to 1,211,106.08, 1,817,384.88 and 501,143.84 is: 752,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,106.08 : 1,817,384.88 = 501,143.84 : x
  2. Step 2: Convert to fraction form
    1,211,106.08/1,817,384.88 = 501,143.84/x
  3. Step 3: Cross multiply
    1,211,106.08x = 1,817,384.88 × 501,143.84
  4. Step 4: Simplify right side
    1,211,106.08x = 910,771,237,521.14
  5. Step 5: Solve for x
    x = 910,771,237,521.14/1,211,106.08
  6. Step 6: Final answer
    x = 752,016.07

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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.