Home / 929,792.40-1,394,688.60-811,694.40

Finding the Fourth Proportional to 929,792.40, 1,394,688.60 and 811,694.40

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Solution

The fourth proportional to 929,792.40, 1,394,688.60 and 811,694.40 is: 1,217,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,792.40 : 1,394,688.60 = 811,694.40 : x
  2. Step 2: Convert to fraction form
    929,792.40/1,394,688.60 = 811,694.40/x
  3. Step 3: Cross multiply
    929,792.40x = 1,394,688.60 × 811,694.40
  4. Step 4: Simplify right side
    929,792.40x = 1,132,060,926,363.84
  5. Step 5: Solve for x
    x = 1,132,060,926,363.84/929,792.40
  6. Step 6: Final answer
    x = 1,217,541.60

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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.