Home / 760,840.34-1,049,961.03-411,984.68

Finding the Fourth Proportional to 760,840.34, 1,049,961.03 and 411,984.68

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Solution

The fourth proportional to 760,840.34, 1,049,961.03 and 411,984.68 is: 568,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,840.34 : 1,049,961.03 = 411,984.68 : x
  2. Step 2: Convert to fraction form
    760,840.34/1,049,961.03 = 411,984.68/x
  3. Step 3: Cross multiply
    760,840.34x = 1,049,961.03 × 411,984.68
  4. Step 4: Simplify right side
    760,840.34x = 432,567,858,957.02
  5. Step 5: Solve for x
    x = 432,567,858,957.02/760,840.34
  6. Step 6: Final answer
    x = 568,539.60

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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.