Home / 994,869.77-1,371,944.88-631,663.07

Finding the Fourth Proportional to 994,869.77, 1,371,944.88 and 631,663.07

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Solution

The fourth proportional to 994,869.77, 1,371,944.88 and 631,663.07 is: 871,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,869.77 : 1,371,944.88 = 631,663.07 : x
  2. Step 2: Convert to fraction form
    994,869.77/1,371,944.88 = 631,663.07/x
  3. Step 3: Cross multiply
    994,869.77x = 1,371,944.88 × 631,663.07
  4. Step 4: Simplify right side
    994,869.77x = 866,606,907,911.86
  5. Step 5: Solve for x
    x = 866,606,907,911.86/994,869.77
  6. Step 6: Final answer
    x = 871,075.73

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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.