Home / 1,112,741.16-1,668,692.70-402,593.64

Finding the Fourth Proportional to 1,112,741.16, 1,668,692.70 and 402,593.64

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Solution

The fourth proportional to 1,112,741.16, 1,668,692.70 and 402,593.64 is: 603,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,741.16 : 1,668,692.70 = 402,593.64 : x
  2. Step 2: Convert to fraction form
    1,112,741.16/1,668,692.70 = 402,593.64/x
  3. Step 3: Cross multiply
    1,112,741.16x = 1,668,692.70 × 402,593.64
  4. Step 4: Simplify right side
    1,112,741.16x = 671,805,068,134.43
  5. Step 5: Solve for x
    x = 671,805,068,134.43/1,112,741.16
  6. Step 6: Final answer
    x = 603,738.85

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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.