Home / 705,811.19-974,017.60-383,521.31

Finding the Fourth Proportional to 705,811.19, 974,017.60 and 383,521.31

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Solution

The fourth proportional to 705,811.19, 974,017.60 and 383,521.31 is: 529,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,811.19 : 974,017.60 = 383,521.31 : x
  2. Step 2: Convert to fraction form
    705,811.19/974,017.60 = 383,521.31/x
  3. Step 3: Cross multiply
    705,811.19x = 974,017.60 × 383,521.31
  4. Step 4: Simplify right side
    705,811.19x = 373,556,503,738.73
  5. Step 5: Solve for x
    x = 373,556,503,738.73/705,811.19
  6. Step 6: Final answer
    x = 529,258.41

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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.