Home / 1,366,763.52-1,885,633.92-857,280

Finding the Fourth Proportional to 1,366,763.52, 1,885,633.92 and 857,280

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Solution

The fourth proportional to 1,366,763.52, 1,885,633.92 and 857,280 is: 1,182,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,763.52 : 1,885,633.92 = 857,280 : x
  2. Step 2: Convert to fraction form
    1,366,763.52/1,885,633.92 = 857,280/x
  3. Step 3: Cross multiply
    1,366,763.52x = 1,885,633.92 × 857,280
  4. Step 4: Simplify right side
    1,366,763.52x = 1,616,516,246,937.60
  5. Step 5: Solve for x
    x = 1,616,516,246,937.60/1,366,763.52
  6. Step 6: Final answer
    x = 1,182,732.95

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1.5x scale

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.