Home / 705,172.82-973,155.40-382,896.50

Finding the Fourth Proportional to 705,172.82, 973,155.40 and 382,896.50

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Solution

The fourth proportional to 705,172.82, 973,155.40 and 382,896.50 is: 528,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,172.82 : 973,155.40 = 382,896.50 : x
  2. Step 2: Convert to fraction form
    705,172.82/973,155.40 = 382,896.50/x
  3. Step 3: Cross multiply
    705,172.82x = 973,155.40 × 382,896.50
  4. Step 4: Simplify right side
    705,172.82x = 372,617,790,793.08
  5. Step 5: Solve for x
    x = 372,617,790,793.08/705,172.82
  6. Step 6: Final answer
    x = 528,406.35

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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.