Home / 1,405,325.17-1,939,362.10-824,558.17

Finding the Fourth Proportional to 1,405,325.17, 1,939,362.10 and 824,558.17

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Solution

The fourth proportional to 1,405,325.17, 1,939,362.10 and 824,558.17 is: 1,137,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,325.17 : 1,939,362.10 = 824,558.17 : x
  2. Step 2: Convert to fraction form
    1,405,325.17/1,939,362.10 = 824,558.17/x
  3. Step 3: Cross multiply
    1,405,325.17x = 1,939,362.10 × 824,558.17
  4. Step 4: Simplify right side
    1,405,325.17x = 1,599,116,870,994.83
  5. Step 5: Solve for x
    x = 1,599,116,870,994.83/1,405,325.17
  6. Step 6: Final answer
    x = 1,137,898.12

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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.