Home / 678,296.24-1,017,466.08-341,152.88

Finding the Fourth Proportional to 678,296.24, 1,017,466.08 and 341,152.88

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Solution

The fourth proportional to 678,296.24, 1,017,466.08 and 341,152.88 is: 511,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,296.24 : 1,017,466.08 = 341,152.88 : x
  2. Step 2: Convert to fraction form
    678,296.24/1,017,466.08 = 341,152.88/x
  3. Step 3: Cross multiply
    678,296.24x = 1,017,466.08 × 341,152.88
  4. Step 4: Simplify right side
    678,296.24x = 347,111,483,494.31
  5. Step 5: Solve for x
    x = 347,111,483,494.31/678,296.24
  6. Step 6: Final answer
    x = 511,740.24

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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.