Home / 1,021,379.78-1,409,450.10-585,774.66

Finding the Fourth Proportional to 1,021,379.78, 1,409,450.10 and 585,774.66

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Solution

The fourth proportional to 1,021,379.78, 1,409,450.10 and 585,774.66 is: 808,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,379.78 : 1,409,450.10 = 585,774.66 : x
  2. Step 2: Convert to fraction form
    1,021,379.78/1,409,450.10 = 585,774.66/x
  3. Step 3: Cross multiply
    1,021,379.78x = 1,409,450.10 × 585,774.66
  4. Step 4: Simplify right side
    1,021,379.78x = 825,620,153,114.47
  5. Step 5: Solve for x
    x = 825,620,153,114.47/1,021,379.78
  6. Step 6: Final answer
    x = 808,338.06

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Double scale
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1.5x scale

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.