Home / 1,690,071.36-2,533,401.17-1,059,428.04

Finding the Fourth Proportional to 1,690,071.36, 2,533,401.17 and 1,059,428.04

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Solution

The fourth proportional to 1,690,071.36, 2,533,401.17 and 1,059,428.04 is: 1,588,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,071.36 : 2,533,401.17 = 1,059,428.04 : x
  2. Step 2: Convert to fraction form
    1,690,071.36/2,533,401.17 = 1,059,428.04/x
  3. Step 3: Cross multiply
    1,690,071.36x = 2,533,401.17 × 1,059,428.04
  4. Step 4: Simplify right side
    1,690,071.36x = 2,683,956,236,066.81
  5. Step 5: Solve for x
    x = 2,683,956,236,066.81/1,690,071.36
  6. Step 6: Final answer
    x = 1,588,072.73

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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.