Home / 1,026,215.30-1,539,491.43-316,243.46

Finding the Fourth Proportional to 1,026,215.30, 1,539,491.43 and 316,243.46

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Solution

The fourth proportional to 1,026,215.30, 1,539,491.43 and 316,243.46 is: 474,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,215.30 : 1,539,491.43 = 316,243.46 : x
  2. Step 2: Convert to fraction form
    1,026,215.30/1,539,491.43 = 316,243.46/x
  3. Step 3: Cross multiply
    1,026,215.30x = 1,539,491.43 × 316,243.46
  4. Step 4: Simplify right side
    1,026,215.30x = 486,854,096,463.55
  5. Step 5: Solve for x
    x = 486,854,096,463.55/1,026,215.30
  6. Step 6: Final answer
    x = 474,417.11

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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.