Home / 1,686,071.80-2,528,094.79-774,113.04

Finding the Fourth Proportional to 1,686,071.80, 2,528,094.79 and 774,113.04

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Solution

The fourth proportional to 1,686,071.80, 2,528,094.79 and 774,113.04 is: 1,160,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,071.80 : 2,528,094.79 = 774,113.04 : x
  2. Step 2: Convert to fraction form
    1,686,071.80/2,528,094.79 = 774,113.04/x
  3. Step 3: Cross multiply
    1,686,071.80x = 2,528,094.79 × 774,113.04
  4. Step 4: Simplify right side
    1,686,071.80x = 1,957,031,143,295.06
  5. Step 5: Solve for x
    x = 1,957,031,143,295.06/1,686,071.80
  6. Step 6: Final answer
    x = 1,160,704.51

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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.