Home / 1,560,609.60-2,340,914.40-438,678.56

Finding the Fourth Proportional to 1,560,609.60, 2,340,914.40 and 438,678.56

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Solution

The fourth proportional to 1,560,609.60, 2,340,914.40 and 438,678.56 is: 658,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,609.60 : 2,340,914.40 = 438,678.56 : x
  2. Step 2: Convert to fraction form
    1,560,609.60/2,340,914.40 = 438,678.56/x
  3. Step 3: Cross multiply
    1,560,609.60x = 2,340,914.40 × 438,678.56
  4. Step 4: Simplify right side
    1,560,609.60x = 1,026,908,958,075.26
  5. Step 5: Solve for x
    x = 1,026,908,958,075.26/1,560,609.60
  6. Step 6: Final answer
    x = 658,017.84

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Double scale
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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.