Home / 612,233.58-845,111.55-459,712.38

Finding the Fourth Proportional to 612,233.58, 845,111.55 and 459,712.38

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Solution

The fourth proportional to 612,233.58, 845,111.55 and 459,712.38 is: 634,575.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,233.58 : 845,111.55 = 459,712.38 : x
  2. Step 2: Convert to fraction form
    612,233.58/845,111.55 = 459,712.38/x
  3. Step 3: Cross multiply
    612,233.58x = 845,111.55 × 459,712.38
  4. Step 4: Simplify right side
    612,233.58x = 388,508,242,015.99
  5. Step 5: Solve for x
    x = 388,508,242,015.99/612,233.58
  6. Step 6: Final answer
    x = 634,575.19

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Half scale
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Double scale
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Similar ratio
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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.