Home / 382,053.40-527,210.58-212,281.72

Finding the Fourth Proportional to 382,053.40, 527,210.58 and 212,281.72

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Solution

The fourth proportional to 382,053.40, 527,210.58 and 212,281.72 is: 292,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,053.40 : 527,210.58 = 212,281.72 : x
  2. Step 2: Convert to fraction form
    382,053.40/527,210.58 = 212,281.72/x
  3. Step 3: Cross multiply
    382,053.40x = 527,210.58 × 212,281.72
  4. Step 4: Simplify right side
    382,053.40x = 111,917,168,724.60
  5. Step 5: Solve for x
    x = 111,917,168,724.60/382,053.40
  6. Step 6: Final answer
    x = 292,935.93

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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.