Home / 969,477.39-1,453,466.79-489,458.16

Finding the Fourth Proportional to 969,477.39, 1,453,466.79 and 489,458.16

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Solution

The fourth proportional to 969,477.39, 1,453,466.79 and 489,458.16 is: 733,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,477.39 : 1,453,466.79 = 489,458.16 : x
  2. Step 2: Convert to fraction form
    969,477.39/1,453,466.79 = 489,458.16/x
  3. Step 3: Cross multiply
    969,477.39x = 1,453,466.79 × 489,458.16
  4. Step 4: Simplify right side
    969,477.39x = 711,411,180,654.51
  5. Step 5: Solve for x
    x = 711,411,180,654.51/969,477.39
  6. Step 6: Final answer
    x = 733,808.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.