Home / 886,856.84-1,223,816.82-484,371.08

Finding the Fourth Proportional to 886,856.84, 1,223,816.82 and 484,371.08

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Solution

The fourth proportional to 886,856.84, 1,223,816.82 and 484,371.08 is: 668,407.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,856.84 : 1,223,816.82 = 484,371.08 : x
  2. Step 2: Convert to fraction form
    886,856.84/1,223,816.82 = 484,371.08/x
  3. Step 3: Cross multiply
    886,856.84x = 1,223,816.82 × 484,371.08
  4. Step 4: Simplify right side
    886,856.84x = 592,781,474,825.57
  5. Step 5: Solve for x
    x = 592,781,474,825.57/886,856.84
  6. Step 6: Final answer
    x = 668,407.17

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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.