Home / 738,104.25-1,018,659.12-451,813.53

Finding the Fourth Proportional to 738,104.25, 1,018,659.12 and 451,813.53

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Solution

The fourth proportional to 738,104.25, 1,018,659.12 and 451,813.53 is: 623,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,104.25 : 1,018,659.12 = 451,813.53 : x
  2. Step 2: Convert to fraction form
    738,104.25/1,018,659.12 = 451,813.53/x
  3. Step 3: Cross multiply
    738,104.25x = 1,018,659.12 × 451,813.53
  4. Step 4: Simplify right side
    738,104.25x = 460,243,972,873.89
  5. Step 5: Solve for x
    x = 460,243,972,873.89/738,104.25
  6. Step 6: Final answer
    x = 623,548.74

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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.