Home / 820,188.29-1,131,858.27-457,590.57

Finding the Fourth Proportional to 820,188.29, 1,131,858.27 and 457,590.57

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Solution

The fourth proportional to 820,188.29, 1,131,858.27 and 457,590.57 is: 631,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,188.29 : 1,131,858.27 = 457,590.57 : x
  2. Step 2: Convert to fraction form
    820,188.29/1,131,858.27 = 457,590.57/x
  3. Step 3: Cross multiply
    820,188.29x = 1,131,858.27 × 457,590.57
  4. Step 4: Simplify right side
    820,188.29x = 517,927,670,928.51
  5. Step 5: Solve for x
    x = 517,927,670,928.51/820,188.29
  6. Step 6: Final answer
    x = 631,474.11

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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.