Home / 744,343.80-1,116,515.70-460,908.60

Finding the Fourth Proportional to 744,343.80, 1,116,515.70 and 460,908.60

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Solution

The fourth proportional to 744,343.80, 1,116,515.70 and 460,908.60 is: 691,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,343.80 : 1,116,515.70 = 460,908.60 : x
  2. Step 2: Convert to fraction form
    744,343.80/1,116,515.70 = 460,908.60/x
  3. Step 3: Cross multiply
    744,343.80x = 1,116,515.70 × 460,908.60
  4. Step 4: Simplify right side
    744,343.80x = 514,611,688,165.02
  5. Step 5: Solve for x
    x = 514,611,688,165.02/744,343.80
  6. Step 6: Final answer
    x = 691,362.90

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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.