Home / 784,603.05-1,082,866.34-440,581.26

Finding the Fourth Proportional to 784,603.05, 1,082,866.34 and 440,581.26

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Solution

The fourth proportional to 784,603.05, 1,082,866.34 and 440,581.26 is: 608,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,603.05 : 1,082,866.34 = 440,581.26 : x
  2. Step 2: Convert to fraction form
    784,603.05/1,082,866.34 = 440,581.26/x
  3. Step 3: Cross multiply
    784,603.05x = 1,082,866.34 × 440,581.26
  4. Step 4: Simplify right side
    784,603.05x = 477,090,616,488.79
  5. Step 5: Solve for x
    x = 477,090,616,488.79/784,603.05
  6. Step 6: Final answer
    x = 608,066.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.