Home / 1,117,507.05-1,677,343.14-1,056,817.80

Finding the Fourth Proportional to 1,117,507.05, 1,677,343.14 and 1,056,817.80

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Solution

The fourth proportional to 1,117,507.05, 1,677,343.14 and 1,056,817.80 is: 1,586,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,507.05 : 1,677,343.14 = 1,056,817.80 : x
  2. Step 2: Convert to fraction form
    1,117,507.05/1,677,343.14 = 1,056,817.80/x
  3. Step 3: Cross multiply
    1,117,507.05x = 1,677,343.14 × 1,056,817.80
  4. Step 4: Simplify right side
    1,117,507.05x = 1,772,646,087,059.89
  5. Step 5: Solve for x
    x = 1,772,646,087,059.89/1,117,507.05
  6. Step 6: Final answer
    x = 1,586,250.47

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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.