Home / 771,331.38-1,156,554.06-411,058.68

Finding the Fourth Proportional to 771,331.38, 1,156,554.06 and 411,058.68

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Solution

The fourth proportional to 771,331.38, 1,156,554.06 and 411,058.68 is: 616,351.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,331.38 : 1,156,554.06 = 411,058.68 : x
  2. Step 2: Convert to fraction form
    771,331.38/1,156,554.06 = 411,058.68/x
  3. Step 3: Cross multiply
    771,331.38x = 1,156,554.06 × 411,058.68
  4. Step 4: Simplify right side
    771,331.38x = 475,411,585,252.24
  5. Step 5: Solve for x
    x = 475,411,585,252.24/771,331.38
  6. Step 6: Final answer
    x = 616,351.93

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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.