Home / 405,917.10-608,547.51-169,436.79

Finding the Fourth Proportional to 405,917.10, 608,547.51 and 169,436.79

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Solution

The fourth proportional to 405,917.10, 608,547.51 and 169,436.79 is: 254,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,917.10 : 608,547.51 = 169,436.79 : x
  2. Step 2: Convert to fraction form
    405,917.10/608,547.51 = 169,436.79/x
  3. Step 3: Cross multiply
    405,917.10x = 608,547.51 × 169,436.79
  4. Step 4: Simplify right side
    405,917.10x = 103,110,336,656.89
  5. Step 5: Solve for x
    x = 103,110,336,656.89/405,917.10
  6. Step 6: Final answer
    x = 254,018.21

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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.