Home / 1,075,905.98-1,609,364.28-756,035.36

Finding the Fourth Proportional to 1,075,905.98, 1,609,364.28 and 756,035.36

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Solution

The fourth proportional to 1,075,905.98, 1,609,364.28 and 756,035.36 is: 1,130,894.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,905.98 : 1,609,364.28 = 756,035.36 : x
  2. Step 2: Convert to fraction form
    1,075,905.98/1,609,364.28 = 756,035.36/x
  3. Step 3: Cross multiply
    1,075,905.98x = 1,609,364.28 × 756,035.36
  4. Step 4: Simplify right side
    1,075,905.98x = 1,216,736,302,800.94
  5. Step 5: Solve for x
    x = 1,216,736,302,800.94/1,075,905.98
  6. Step 6: Final answer
    x = 1,130,894.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.