Home / 1,719,128.40-2,578,692.60-457,083.60

Finding the Fourth Proportional to 1,719,128.40, 2,578,692.60 and 457,083.60

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Solution

The fourth proportional to 1,719,128.40, 2,578,692.60 and 457,083.60 is: 685,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,128.40 : 2,578,692.60 = 457,083.60 : x
  2. Step 2: Convert to fraction form
    1,719,128.40/2,578,692.60 = 457,083.60/x
  3. Step 3: Cross multiply
    1,719,128.40x = 2,578,692.60 × 457,083.60
  4. Step 4: Simplify right side
    1,719,128.40x = 1,178,678,096,901.36
  5. Step 5: Solve for x
    x = 1,178,678,096,901.36/1,719,128.40
  6. Step 6: Final answer
    x = 685,625.40

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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.