Home / 957,653.46-1,321,326.80-630,930.24

Finding the Fourth Proportional to 957,653.46, 1,321,326.80 and 630,930.24

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Solution

The fourth proportional to 957,653.46, 1,321,326.80 and 630,930.24 is: 870,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,653.46 : 1,321,326.80 = 630,930.24 : x
  2. Step 2: Convert to fraction form
    957,653.46/1,321,326.80 = 630,930.24/x
  3. Step 3: Cross multiply
    957,653.46x = 1,321,326.80 × 630,930.24
  4. Step 4: Simplify right side
    957,653.46x = 833,665,032,312.03
  5. Step 5: Solve for x
    x = 833,665,032,312.03/957,653.46
  6. Step 6: Final answer
    x = 870,528.92

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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.