Home / 738,703.01-1,019,236.53-448,308.14

Finding the Fourth Proportional to 738,703.01, 1,019,236.53 and 448,308.14

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Solution

The fourth proportional to 738,703.01, 1,019,236.53 and 448,308.14 is: 618,559.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,703.01 : 1,019,236.53 = 448,308.14 : x
  2. Step 2: Convert to fraction form
    738,703.01/1,019,236.53 = 448,308.14/x
  3. Step 3: Cross multiply
    738,703.01x = 1,019,236.53 × 448,308.14
  4. Step 4: Simplify right side
    738,703.01x = 456,932,035,302.53
  5. Step 5: Solve for x
    x = 456,932,035,302.53/738,703.01
  6. Step 6: Final answer
    x = 618,559.86

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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.