Home / 957,864.23-1,438,423.31-640,058.05

Finding the Fourth Proportional to 957,864.23, 1,438,423.31 and 640,058.05

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Solution

The fourth proportional to 957,864.23, 1,438,423.31 and 640,058.05 is: 961,174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,864.23 : 1,438,423.31 = 640,058.05 : x
  2. Step 2: Convert to fraction form
    957,864.23/1,438,423.31 = 640,058.05/x
  3. Step 3: Cross multiply
    957,864.23x = 1,438,423.31 × 640,058.05
  4. Step 4: Simplify right side
    957,864.23x = 920,674,422,271.32
  5. Step 5: Solve for x
    x = 920,674,422,271.32/957,864.23
  6. Step 6: Final answer
    x = 961,174.23

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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.