Home / 696,058.60-1,042,014.30-415,431.40

Finding the Fourth Proportional to 696,058.60, 1,042,014.30 and 415,431.40

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Solution

The fourth proportional to 696,058.60, 1,042,014.30 and 415,431.40 is: 621,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,058.60 : 1,042,014.30 = 415,431.40 : x
  2. Step 2: Convert to fraction form
    696,058.60/1,042,014.30 = 415,431.40/x
  3. Step 3: Cross multiply
    696,058.60x = 1,042,014.30 × 415,431.40
  4. Step 4: Simplify right side
    696,058.60x = 432,885,459,469.02
  5. Step 5: Solve for x
    x = 432,885,459,469.02/696,058.60
  6. Step 6: Final answer
    x = 621,909.51

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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.