Home / 984,558.12-1,358,730.18-554,856.36

Finding the Fourth Proportional to 984,558.12, 1,358,730.18 and 554,856.36

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Solution

The fourth proportional to 984,558.12, 1,358,730.18 and 554,856.36 is: 765,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,558.12 : 1,358,730.18 = 554,856.36 : x
  2. Step 2: Convert to fraction form
    984,558.12/1,358,730.18 = 554,856.36/x
  3. Step 3: Cross multiply
    984,558.12x = 1,358,730.18 × 554,856.36
  4. Step 4: Simplify right side
    984,558.12x = 753,900,081,896.95
  5. Step 5: Solve for x
    x = 753,900,081,896.95/984,558.12
  6. Step 6: Final answer
    x = 765,724.30

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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.