Home / 916,158.84-1,263,773.92-571,396.22

Finding the Fourth Proportional to 916,158.84, 1,263,773.92 and 571,396.22

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Solution

The fourth proportional to 916,158.84, 1,263,773.92 and 571,396.22 is: 788,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,158.84 : 1,263,773.92 = 571,396.22 : x
  2. Step 2: Convert to fraction form
    916,158.84/1,263,773.92 = 571,396.22/x
  3. Step 3: Cross multiply
    916,158.84x = 1,263,773.92 × 571,396.22
  4. Step 4: Simplify right side
    916,158.84x = 722,115,633,075.22
  5. Step 5: Solve for x
    x = 722,115,633,075.22/916,158.84
  6. Step 6: Final answer
    x = 788,199.17

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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.