Home / 448,075.20-618,314.94-266,800.44

Finding the Fourth Proportional to 448,075.20, 618,314.94 and 266,800.44

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Solution

The fourth proportional to 448,075.20, 618,314.94 and 266,800.44 is: 368,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,075.20 : 618,314.94 = 266,800.44 : x
  2. Step 2: Convert to fraction form
    448,075.20/618,314.94 = 266,800.44/x
  3. Step 3: Cross multiply
    448,075.20x = 618,314.94 × 266,800.44
  4. Step 4: Simplify right side
    448,075.20x = 164,966,698,050.57
  5. Step 5: Solve for x
    x = 164,966,698,050.57/448,075.20
  6. Step 6: Final answer
    x = 368,167.44

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1.5x scale

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.