Home / 410,160.10-615,337.35-210,511.30

Finding the Fourth Proportional to 410,160.10, 615,337.35 and 210,511.30

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Solution

The fourth proportional to 410,160.10, 615,337.35 and 210,511.30 is: 315,816.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,160.10 : 615,337.35 = 210,511.30 : x
  2. Step 2: Convert to fraction form
    410,160.10/615,337.35 = 210,511.30/x
  3. Step 3: Cross multiply
    410,160.10x = 615,337.35 × 210,511.30
  4. Step 4: Simplify right side
    410,160.10x = 129,535,465,487.06
  5. Step 5: Solve for x
    x = 129,535,465,487.06/410,160.10
  6. Step 6: Final answer
    x = 315,816.84

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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.