Home / 1,528,856.60-2,293,276.80-391,616.60

Finding the Fourth Proportional to 1,528,856.60, 2,293,276.80 and 391,616.60

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Solution

The fourth proportional to 1,528,856.60, 2,293,276.80 and 391,616.60 is: 587,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,856.60 : 2,293,276.80 = 391,616.60 : x
  2. Step 2: Convert to fraction form
    1,528,856.60/2,293,276.80 = 391,616.60/x
  3. Step 3: Cross multiply
    1,528,856.60x = 2,293,276.80 × 391,616.60
  4. Step 4: Simplify right side
    1,528,856.60x = 898,085,263,274.88
  5. Step 5: Solve for x
    x = 898,085,263,274.88/1,528,856.60
  6. Step 6: Final answer
    x = 587,422.83

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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.