Home / 1,075,547.07-1,614,318.12-543,441.78

Finding the Fourth Proportional to 1,075,547.07, 1,614,318.12 and 543,441.78

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Solution

The fourth proportional to 1,075,547.07, 1,614,318.12 and 543,441.78 is: 815,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,547.07 : 1,614,318.12 = 543,441.78 : x
  2. Step 2: Convert to fraction form
    1,075,547.07/1,614,318.12 = 543,441.78/x
  3. Step 3: Cross multiply
    1,075,547.07x = 1,614,318.12 × 543,441.78
  4. Step 4: Simplify right side
    1,075,547.07x = 877,287,912,619.05
  5. Step 5: Solve for x
    x = 877,287,912,619.05/1,075,547.07
  6. Step 6: Final answer
    x = 815,666.68

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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.