Home / 1,131,017.19-1,560,814.81-614,770.76

Finding the Fourth Proportional to 1,131,017.19, 1,560,814.81 and 614,770.76

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Solution

The fourth proportional to 1,131,017.19, 1,560,814.81 and 614,770.76 is: 848,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,017.19 : 1,560,814.81 = 614,770.76 : x
  2. Step 2: Convert to fraction form
    1,131,017.19/1,560,814.81 = 614,770.76/x
  3. Step 3: Cross multiply
    1,131,017.19x = 1,560,814.81 × 614,770.76
  4. Step 4: Simplify right side
    1,131,017.19x = 959,543,309,328.07
  5. Step 5: Solve for x
    x = 959,543,309,328.07/1,131,017.19
  6. Step 6: Final answer
    x = 848,389.68

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Double scale
Find fourth proportional to 1,131,018.19, 1,560,816.19 and 614,771.76
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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.