Home / 1,143,924.32-1,578,562.93-627,666.87

Finding the Fourth Proportional to 1,143,924.32, 1,578,562.93 and 627,666.87

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Solution

The fourth proportional to 1,143,924.32, 1,578,562.93 and 627,666.87 is: 866,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,924.32 : 1,578,562.93 = 627,666.87 : x
  2. Step 2: Convert to fraction form
    1,143,924.32/1,578,562.93 = 627,666.87/x
  3. Step 3: Cross multiply
    1,143,924.32x = 1,578,562.93 × 627,666.87
  4. Step 4: Simplify right side
    1,143,924.32x = 990,811,660,075.32
  5. Step 5: Solve for x
    x = 990,811,660,075.32/1,143,924.32
  6. Step 6: Final answer
    x = 866,151.41

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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.