Home / 475,075.46-655,603.13-257,283.44

Finding the Fourth Proportional to 475,075.46, 655,603.13 and 257,283.44

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Solution

The fourth proportional to 475,075.46, 655,603.13 and 257,283.44 is: 355,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,075.46 : 655,603.13 = 257,283.44 : x
  2. Step 2: Convert to fraction form
    475,075.46/655,603.13 = 257,283.44/x
  3. Step 3: Cross multiply
    475,075.46x = 655,603.13 × 257,283.44
  4. Step 4: Simplify right side
    475,075.46x = 168,675,823,996.73
  5. Step 5: Solve for x
    x = 168,675,823,996.73/475,075.46
  6. Step 6: Final answer
    x = 355,050.60

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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.