Home / 705,977.36-974,255.21-383,688.29

Finding the Fourth Proportional to 705,977.36, 974,255.21 and 383,688.29

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Solution

The fourth proportional to 705,977.36, 974,255.21 and 383,688.29 is: 529,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,977.36 : 974,255.21 = 383,688.29 : x
  2. Step 2: Convert to fraction form
    705,977.36/974,255.21 = 383,688.29/x
  3. Step 3: Cross multiply
    705,977.36x = 974,255.21 × 383,688.29
  4. Step 4: Simplify right side
    705,977.36x = 373,810,308,758.77
  5. Step 5: Solve for x
    x = 373,810,308,758.77/705,977.36
  6. Step 6: Final answer
    x = 529,493.34

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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.