Home / 738,108.13-1,018,664.51-451,817.41

Finding the Fourth Proportional to 738,108.13, 1,018,664.51 and 451,817.41

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Solution

The fourth proportional to 738,108.13, 1,018,664.51 and 451,817.41 is: 623,554.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,108.13 : 1,018,664.51 = 451,817.41 : x
  2. Step 2: Convert to fraction form
    738,108.13/1,018,664.51 = 451,817.41/x
  3. Step 3: Cross multiply
    738,108.13x = 1,018,664.51 × 451,817.41
  4. Step 4: Simplify right side
    738,108.13x = 460,250,358,308.03
  5. Step 5: Solve for x
    x = 460,250,358,308.03/738,108.13
  6. Step 6: Final answer
    x = 623,554.11

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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.