Home / 1,040,528-1,435,928.64-563,600

Finding the Fourth Proportional to 1,040,528, 1,435,928.64 and 563,600

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Solution

The fourth proportional to 1,040,528, 1,435,928.64 and 563,600 is: 777,768

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,528 : 1,435,928.64 = 563,600 : x
  2. Step 2: Convert to fraction form
    1,040,528/1,435,928.64 = 563,600/x
  3. Step 3: Cross multiply
    1,040,528x = 1,435,928.64 × 563,600
  4. Step 4: Simplify right side
    1,040,528x = 809,289,381,504
  5. Step 5: Solve for x
    x = 809,289,381,504/1,040,528
  6. Step 6: Final answer
    x = 777,768

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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.