Home / 945,279.18-1,417,916.37-405,185.25

Finding the Fourth Proportional to 945,279.18, 1,417,916.37 and 405,185.25

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Solution

The fourth proportional to 945,279.18, 1,417,916.37 and 405,185.25 is: 607,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,279.18 : 1,417,916.37 = 405,185.25 : x
  2. Step 2: Convert to fraction form
    945,279.18/1,417,916.37 = 405,185.25/x
  3. Step 3: Cross multiply
    945,279.18x = 1,417,916.37 × 405,185.25
  4. Step 4: Simplify right side
    945,279.18x = 574,518,798,857.54
  5. Step 5: Solve for x
    x = 574,518,798,857.54/945,279.18
  6. Step 6: Final answer
    x = 607,776.85

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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.