Home / 1,211,240.16-1,816,910.40-453,005.60

Finding the Fourth Proportional to 1,211,240.16, 1,816,910.40 and 453,005.60

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Solution

The fourth proportional to 1,211,240.16, 1,816,910.40 and 453,005.60 is: 679,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,240.16 : 1,816,910.40 = 453,005.60 : x
  2. Step 2: Convert to fraction form
    1,211,240.16/1,816,910.40 = 453,005.60/x
  3. Step 3: Cross multiply
    1,211,240.16x = 1,816,910.40 × 453,005.60
  4. Step 4: Simplify right side
    1,211,240.16x = 823,070,585,898.24
  5. Step 5: Solve for x
    x = 823,070,585,898.24/1,211,240.16
  6. Step 6: Final answer
    x = 679,527.16

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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.