Home / 738,098.37-1,018,651.01-451,807.65

Finding the Fourth Proportional to 738,098.37, 1,018,651.01 and 451,807.65

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Solution

The fourth proportional to 738,098.37, 1,018,651.01 and 451,807.65 is: 623,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,098.37 : 1,018,651.01 = 451,807.65 : x
  2. Step 2: Convert to fraction form
    738,098.37/1,018,651.01 = 451,807.65/x
  3. Step 3: Cross multiply
    738,098.37x = 1,018,651.01 × 451,807.65
  4. Step 4: Simplify right side
    738,098.37x = 460,234,316,739.19
  5. Step 5: Solve for x
    x = 460,234,316,739.19/738,098.37
  6. Step 6: Final answer
    x = 623,540.62

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Double scale
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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.