Home / 1,075,511.34-1,613,311.52-317,352.80

Finding the Fourth Proportional to 1,075,511.34, 1,613,311.52 and 317,352.80

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Solution

The fourth proportional to 1,075,511.34, 1,613,311.52 and 317,352.80 is: 476,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,511.34 : 1,613,311.52 = 317,352.80 : x
  2. Step 2: Convert to fraction form
    1,075,511.34/1,613,311.52 = 317,352.80/x
  3. Step 3: Cross multiply
    1,075,511.34x = 1,613,311.52 × 317,352.80
  4. Step 4: Simplify right side
    1,075,511.34x = 511,988,928,144.26
  5. Step 5: Solve for x
    x = 511,988,928,144.26/1,075,511.34
  6. Step 6: Final answer
    x = 476,042.33

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1.5x scale

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.