Home / 1,068,839.30-1,474,999.67-578,809.67

Finding the Fourth Proportional to 1,068,839.30, 1,474,999.67 and 578,809.67

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Solution

The fourth proportional to 1,068,839.30, 1,474,999.67 and 578,809.67 is: 798,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,839.30 : 1,474,999.67 = 578,809.67 : x
  2. Step 2: Convert to fraction form
    1,068,839.30/1,474,999.67 = 578,809.67/x
  3. Step 3: Cross multiply
    1,068,839.30x = 1,474,999.67 × 578,809.67
  4. Step 4: Simplify right side
    1,068,839.30x = 853,744,072,242.81
  5. Step 5: Solve for x
    x = 853,744,072,242.81/1,068,839.30
  6. Step 6: Final answer
    x = 798,758.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.