Home / 381,823.20-526,901.46-212,068.26

Finding the Fourth Proportional to 381,823.20, 526,901.46 and 212,068.26

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Solution

The fourth proportional to 381,823.20, 526,901.46 and 212,068.26 is: 292,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,823.20 : 526,901.46 = 212,068.26 : x
  2. Step 2: Convert to fraction form
    381,823.20/526,901.46 = 212,068.26/x
  3. Step 3: Cross multiply
    381,823.20x = 526,901.46 × 212,068.26
  4. Step 4: Simplify right side
    381,823.20x = 111,739,075,813.66
  5. Step 5: Solve for x
    x = 111,739,075,813.66/381,823.20
  6. Step 6: Final answer
    x = 292,646.11

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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.