Home / 999,646.90-1,379,074.54-585,974.02

Finding the Fourth Proportional to 999,646.90, 1,379,074.54 and 585,974.02

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Solution

The fourth proportional to 999,646.90, 1,379,074.54 and 585,974.02 is: 808,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,646.90 : 1,379,074.54 = 585,974.02 : x
  2. Step 2: Convert to fraction form
    999,646.90/1,379,074.54 = 585,974.02/x
  3. Step 3: Cross multiply
    999,646.90x = 1,379,074.54 × 585,974.02
  4. Step 4: Simplify right side
    999,646.90x = 808,101,852,083.45
  5. Step 5: Solve for x
    x = 808,101,852,083.45/999,646.90
  6. Step 6: Final answer
    x = 808,387.29

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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.