Home / 1,411,966.20-1,947,527.82-928,376.76

Finding the Fourth Proportional to 1,411,966.20, 1,947,527.82 and 928,376.76

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Solution

The fourth proportional to 1,411,966.20, 1,947,527.82 and 928,376.76 is: 1,280,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,966.20 : 1,947,527.82 = 928,376.76 : x
  2. Step 2: Convert to fraction form
    1,411,966.20/1,947,527.82 = 928,376.76/x
  3. Step 3: Cross multiply
    1,411,966.20x = 1,947,527.82 × 928,376.76
  4. Step 4: Simplify right side
    1,411,966.20x = 1,808,039,567,541.46
  5. Step 5: Solve for x
    x = 1,808,039,567,541.46/1,411,966.20
  6. Step 6: Final answer
    x = 1,280,511.93

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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.