Home / 1,083,121.20-1,624,681.80-1,064,458.80

Finding the Fourth Proportional to 1,083,121.20, 1,624,681.80 and 1,064,458.80

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Solution

The fourth proportional to 1,083,121.20, 1,624,681.80 and 1,064,458.80 is: 1,596,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,121.20 : 1,624,681.80 = 1,064,458.80 : x
  2. Step 2: Convert to fraction form
    1,083,121.20/1,624,681.80 = 1,064,458.80/x
  3. Step 3: Cross multiply
    1,083,121.20x = 1,624,681.80 × 1,064,458.80
  4. Step 4: Simplify right side
    1,083,121.20x = 1,729,406,839,209.84
  5. Step 5: Solve for x
    x = 1,729,406,839,209.84/1,083,121.20
  6. Step 6: Final answer
    x = 1,596,688.20

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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.