Home / 1,022,686.31-1,533,881.84-312,523.67

Finding the Fourth Proportional to 1,022,686.31, 1,533,881.84 and 312,523.67

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Solution

The fourth proportional to 1,022,686.31, 1,533,881.84 and 312,523.67 is: 468,740.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,686.31 : 1,533,881.84 = 312,523.67 : x
  2. Step 2: Convert to fraction form
    1,022,686.31/1,533,881.84 = 312,523.67/x
  3. Step 3: Cross multiply
    1,022,686.31x = 1,533,881.84 × 312,523.67
  4. Step 4: Simplify right side
    1,022,686.31x = 479,374,376,506.10
  5. Step 5: Solve for x
    x = 479,374,376,506.10/1,022,686.31
  6. Step 6: Final answer
    x = 468,740.39

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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.