Home / 738,148.06-1,018,619.38-451,668.14

Finding the Fourth Proportional to 738,148.06, 1,018,619.38 and 451,668.14

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Solution

The fourth proportional to 738,148.06, 1,018,619.38 and 451,668.14 is: 623,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,148.06 : 1,018,619.38 = 451,668.14 : x
  2. Step 2: Convert to fraction form
    738,148.06/1,018,619.38 = 451,668.14/x
  3. Step 3: Cross multiply
    738,148.06x = 1,018,619.38 × 451,668.14
  4. Step 4: Simplify right side
    738,148.06x = 460,077,920,732.55
  5. Step 5: Solve for x
    x = 460,077,920,732.55/738,148.06
  6. Step 6: Final answer
    x = 623,286.77

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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.