Home / 931,236.60-1,283,880.80-608,385.72

Finding the Fourth Proportional to 931,236.60, 1,283,880.80 and 608,385.72

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Solution

The fourth proportional to 931,236.60, 1,283,880.80 and 608,385.72 is: 838,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,236.60 : 1,283,880.80 = 608,385.72 : x
  2. Step 2: Convert to fraction form
    931,236.60/1,283,880.80 = 608,385.72/x
  3. Step 3: Cross multiply
    931,236.60x = 1,283,880.80 × 608,385.72
  4. Step 4: Simplify right side
    931,236.60x = 781,094,744,902.18
  5. Step 5: Solve for x
    x = 781,094,744,902.18/931,236.60
  6. Step 6: Final answer
    x = 838,771.53

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.