Home / 1,023,167.81-1,412,071.38-764,595.74

Finding the Fourth Proportional to 1,023,167.81, 1,412,071.38 and 764,595.74

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Solution

The fourth proportional to 1,023,167.81, 1,412,071.38 and 764,595.74 is: 1,055,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,167.81 : 1,412,071.38 = 764,595.74 : x
  2. Step 2: Convert to fraction form
    1,023,167.81/1,412,071.38 = 764,595.74/x
  3. Step 3: Cross multiply
    1,023,167.81x = 1,412,071.38 × 764,595.74
  4. Step 4: Simplify right side
    1,023,167.81x = 1,079,663,754,663.56
  5. Step 5: Solve for x
    x = 1,079,663,754,663.56/1,023,167.81
  6. Step 6: Final answer
    x = 1,055,216.70

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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.