Home / 883,669.30-1,325,503.95-322,630.90

Finding the Fourth Proportional to 883,669.30, 1,325,503.95 and 322,630.90

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Solution

The fourth proportional to 883,669.30, 1,325,503.95 and 322,630.90 is: 483,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,669.30 : 1,325,503.95 = 322,630.90 : x
  2. Step 2: Convert to fraction form
    883,669.30/1,325,503.95 = 322,630.90/x
  3. Step 3: Cross multiply
    883,669.30x = 1,325,503.95 × 322,630.90
  4. Step 4: Simplify right side
    883,669.30x = 427,648,532,342.06
  5. Step 5: Solve for x
    x = 427,648,532,342.06/883,669.30
  6. Step 6: Final answer
    x = 483,946.35

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Double scale
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Similar ratio
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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.