Home / 857,153.80-1,285,730.70-857,153.80

Finding the Fourth Proportional to 857,153.80, 1,285,730.70 and 857,153.80

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Solution

The fourth proportional to 857,153.80, 1,285,730.70 and 857,153.80 is: 1,285,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,153.80 : 1,285,730.70 = 857,153.80 : x
  2. Step 2: Convert to fraction form
    857,153.80/1,285,730.70 = 857,153.80/x
  3. Step 3: Cross multiply
    857,153.80x = 1,285,730.70 × 857,153.80
  4. Step 4: Simplify right side
    857,153.80x = 1,102,068,955,281.66
  5. Step 5: Solve for x
    x = 1,102,068,955,281.66/857,153.80
  6. Step 6: Final answer
    x = 1,285,730.70

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1.5x scale

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.