Home / 712,323.60-1,068,485.40-656,336.40

Finding the Fourth Proportional to 712,323.60, 1,068,485.40 and 656,336.40

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Solution

The fourth proportional to 712,323.60, 1,068,485.40 and 656,336.40 is: 984,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,323.60 : 1,068,485.40 = 656,336.40 : x
  2. Step 2: Convert to fraction form
    712,323.60/1,068,485.40 = 656,336.40/x
  3. Step 3: Cross multiply
    712,323.60x = 1,068,485.40 × 656,336.40
  4. Step 4: Simplify right side
    712,323.60x = 701,285,860,888.56
  5. Step 5: Solve for x
    x = 701,285,860,888.56/712,323.60
  6. Step 6: Final answer
    x = 984,504.60

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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.