Home / 999,829.32-1,379,379.16-693,752.52

Finding the Fourth Proportional to 999,829.32, 1,379,379.16 and 693,752.52

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Solution

The fourth proportional to 999,829.32, 1,379,379.16 and 693,752.52 is: 957,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,829.32 : 1,379,379.16 = 693,752.52 : x
  2. Step 2: Convert to fraction form
    999,829.32/1,379,379.16 = 693,752.52/x
  3. Step 3: Cross multiply
    999,829.32x = 1,379,379.16 × 693,752.52
  4. Step 4: Simplify right side
    999,829.32x = 956,947,763,204.34
  5. Step 5: Solve for x
    x = 956,947,763,204.34/999,829.32
  6. Step 6: Final answer
    x = 957,111.13

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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.