Home / 626,741.91-864,923.67-354,804.86

Finding the Fourth Proportional to 626,741.91, 864,923.67 and 354,804.86

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Solution

The fourth proportional to 626,741.91, 864,923.67 and 354,804.86 is: 489,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,741.91 : 864,923.67 = 354,804.86 : x
  2. Step 2: Convert to fraction form
    626,741.91/864,923.67 = 354,804.86/x
  3. Step 3: Cross multiply
    626,741.91x = 864,923.67 × 354,804.86
  4. Step 4: Simplify right side
    626,741.91x = 306,879,123,807.35
  5. Step 5: Solve for x
    x = 306,879,123,807.35/626,741.91
  6. Step 6: Final answer
    x = 489,641.94

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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.