Home / 579,058.64-868,421.40-199,880.84

Finding the Fourth Proportional to 579,058.64, 868,421.40 and 199,880.84

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Solution

The fourth proportional to 579,058.64, 868,421.40 and 199,880.84 is: 299,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,058.64 : 868,421.40 = 199,880.84 : x
  2. Step 2: Convert to fraction form
    579,058.64/868,421.40 = 199,880.84/x
  3. Step 3: Cross multiply
    579,058.64x = 868,421.40 × 199,880.84
  4. Step 4: Simplify right side
    579,058.64x = 173,580,798,905.98
  5. Step 5: Solve for x
    x = 173,580,798,905.98/579,058.64
  6. Step 6: Final answer
    x = 299,763.77

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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.