Home / 534,905.40-802,358.10-345,948.60

Finding the Fourth Proportional to 534,905.40, 802,358.10 and 345,948.60

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Solution

The fourth proportional to 534,905.40, 802,358.10 and 345,948.60 is: 518,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,905.40 : 802,358.10 = 345,948.60 : x
  2. Step 2: Convert to fraction form
    534,905.40/802,358.10 = 345,948.60/x
  3. Step 3: Cross multiply
    534,905.40x = 802,358.10 × 345,948.60
  4. Step 4: Simplify right side
    534,905.40x = 277,574,661,393.66
  5. Step 5: Solve for x
    x = 277,574,661,393.66/534,905.40
  6. Step 6: Final answer
    x = 518,922.90

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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.