Home / 626,741.54-864,923.15-354,804.49

Finding the Fourth Proportional to 626,741.54, 864,923.15 and 354,804.49

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Solution

The fourth proportional to 626,741.54, 864,923.15 and 354,804.49 is: 489,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,741.54 : 864,923.15 = 354,804.49 : x
  2. Step 2: Convert to fraction form
    626,741.54/864,923.15 = 354,804.49/x
  3. Step 3: Cross multiply
    626,741.54x = 864,923.15 × 354,804.49
  4. Step 4: Simplify right side
    626,741.54x = 306,878,615,849.65
  5. Step 5: Solve for x
    x = 306,878,615,849.65/626,741.54
  6. Step 6: Final answer
    x = 489,641.42

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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.