Home / 760,016.64-1,048,784.64-415,845.12

Finding the Fourth Proportional to 760,016.64, 1,048,784.64 and 415,845.12

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Solution

The fourth proportional to 760,016.64, 1,048,784.64 and 415,845.12 is: 573,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,016.64 : 1,048,784.64 = 415,845.12 : x
  2. Step 2: Convert to fraction form
    760,016.64/1,048,784.64 = 415,845.12/x
  3. Step 3: Cross multiply
    760,016.64x = 1,048,784.64 × 415,845.12
  4. Step 4: Simplify right side
    760,016.64x = 436,131,974,474.96
  5. Step 5: Solve for x
    x = 436,131,974,474.96/760,016.64
  6. Step 6: Final answer
    x = 573,845.30

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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.