Home / 1,258,543.78-1,886,551.58-404,988.12

Finding the Fourth Proportional to 1,258,543.78, 1,886,551.58 and 404,988.12

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Solution

The fourth proportional to 1,258,543.78, 1,886,551.58 and 404,988.12 is: 607,075.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,543.78 : 1,886,551.58 = 404,988.12 : x
  2. Step 2: Convert to fraction form
    1,258,543.78/1,886,551.58 = 404,988.12/x
  3. Step 3: Cross multiply
    1,258,543.78x = 1,886,551.58 × 404,988.12
  4. Step 4: Simplify right side
    1,258,543.78x = 764,030,978,679.70
  5. Step 5: Solve for x
    x = 764,030,978,679.70/1,258,543.78
  6. Step 6: Final answer
    x = 607,075.41

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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.