Home / 705,991.11-974,267.83-383,701.21

Finding the Fourth Proportional to 705,991.11, 974,267.83 and 383,701.21

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Solution

The fourth proportional to 705,991.11, 974,267.83 and 383,701.21 is: 529,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,991.11 : 974,267.83 = 383,701.21 : x
  2. Step 2: Convert to fraction form
    705,991.11/974,267.83 = 383,701.21/x
  3. Step 3: Cross multiply
    705,991.11x = 974,267.83 × 383,701.21
  4. Step 4: Simplify right side
    705,991.11x = 373,827,745,235.07
  5. Step 5: Solve for x
    x = 373,827,745,235.07/705,991.11
  6. Step 6: Final answer
    x = 529,507.72

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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.