Home / 696,461.44-1,044,987.34-380,549.30

Finding the Fourth Proportional to 696,461.44, 1,044,987.34 and 380,549.30

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Solution

The fourth proportional to 696,461.44, 1,044,987.34 and 380,549.30 is: 570,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,461.44 : 1,044,987.34 = 380,549.30 : x
  2. Step 2: Convert to fraction form
    696,461.44/1,044,987.34 = 380,549.30/x
  3. Step 3: Cross multiply
    696,461.44x = 1,044,987.34 × 380,549.30
  4. Step 4: Simplify right side
    696,461.44x = 397,669,200,745.86
  5. Step 5: Solve for x
    x = 397,669,200,745.86/696,461.44
  6. Step 6: Final answer
    x = 570,985.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.