Home / 1,319,399.75-1,820,967.48-836,010.18

Finding the Fourth Proportional to 1,319,399.75, 1,820,967.48 and 836,010.18

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Solution

The fourth proportional to 1,319,399.75, 1,820,967.48 and 836,010.18 is: 1,153,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,399.75 : 1,820,967.48 = 836,010.18 : x
  2. Step 2: Convert to fraction form
    1,319,399.75/1,820,967.48 = 836,010.18/x
  3. Step 3: Cross multiply
    1,319,399.75x = 1,820,967.48 × 836,010.18
  4. Step 4: Simplify right side
    1,319,399.75x = 1,522,347,350,728.95
  5. Step 5: Solve for x
    x = 1,522,347,350,728.95/1,319,399.75
  6. Step 6: Final answer
    x = 1,153,818.13

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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.