Home / 1,211,497.40-1,816,808.70-612,259.40

Finding the Fourth Proportional to 1,211,497.40, 1,816,808.70 and 612,259.40

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Solution

The fourth proportional to 1,211,497.40, 1,816,808.70 and 612,259.40 is: 918,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,497.40 : 1,816,808.70 = 612,259.40 : x
  2. Step 2: Convert to fraction form
    1,211,497.40/1,816,808.70 = 612,259.40/x
  3. Step 3: Cross multiply
    1,211,497.40x = 1,816,808.70 × 612,259.40
  4. Step 4: Simplify right side
    1,211,497.40x = 1,112,358,204,576.78
  5. Step 5: Solve for x
    x = 1,112,358,204,576.78/1,211,497.40
  6. Step 6: Final answer
    x = 918,168.05

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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.