Home / 1,219,875.29-1,683,437.31-676,019.89

Finding the Fourth Proportional to 1,219,875.29, 1,683,437.31 and 676,019.89

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Solution

The fourth proportional to 1,219,875.29, 1,683,437.31 and 676,019.89 is: 932,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,875.29 : 1,683,437.31 = 676,019.89 : x
  2. Step 2: Convert to fraction form
    1,219,875.29/1,683,437.31 = 676,019.89/x
  3. Step 3: Cross multiply
    1,219,875.29x = 1,683,437.31 × 676,019.89
  4. Step 4: Simplify right side
    1,219,875.29x = 1,138,037,107,232.39
  5. Step 5: Solve for x
    x = 1,138,037,107,232.39/1,219,875.29
  6. Step 6: Final answer
    x = 932,912.67

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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.