Home / 3,075,350.40-4,613,025.60-1,640,459.70

Finding the Fourth Proportional to 3,075,350.40, 4,613,025.60 and 1,640,459.70

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Solution

The fourth proportional to 3,075,350.40, 4,613,025.60 and 1,640,459.70 is: 2,460,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075,350.40 : 4,613,025.60 = 1,640,459.70 : x
  2. Step 2: Convert to fraction form
    3,075,350.40/4,613,025.60 = 1,640,459.70/x
  3. Step 3: Cross multiply
    3,075,350.40x = 4,613,025.60 × 1,640,459.70
  4. Step 4: Simplify right side
    3,075,350.40x = 7,567,482,591,868.32
  5. Step 5: Solve for x
    x = 7,567,482,591,868.32/3,075,350.40
  6. Step 6: Final answer
    x = 2,460,689.55

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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.