Home / 1,719,128.40-2,578,692.60-439,733.40

Finding the Fourth Proportional to 1,719,128.40, 2,578,692.60 and 439,733.40

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Solution

The fourth proportional to 1,719,128.40, 2,578,692.60 and 439,733.40 is: 659,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,128.40 : 2,578,692.60 = 439,733.40 : x
  2. Step 2: Convert to fraction form
    1,719,128.40/2,578,692.60 = 439,733.40/x
  3. Step 3: Cross multiply
    1,719,128.40x = 2,578,692.60 × 439,733.40
  4. Step 4: Simplify right side
    1,719,128.40x = 1,133,937,264,552.84
  5. Step 5: Solve for x
    x = 1,133,937,264,552.84/1,719,128.40
  6. Step 6: Final answer
    x = 659,600.10

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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.