Home / 907,358.60-1,361,037.90-807,631.40

Finding the Fourth Proportional to 907,358.60, 1,361,037.90 and 807,631.40

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Solution

The fourth proportional to 907,358.60, 1,361,037.90 and 807,631.40 is: 1,211,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,358.60 : 1,361,037.90 = 807,631.40 : x
  2. Step 2: Convert to fraction form
    907,358.60/1,361,037.90 = 807,631.40/x
  3. Step 3: Cross multiply
    907,358.60x = 1,361,037.90 × 807,631.40
  4. Step 4: Simplify right side
    907,358.60x = 1,099,216,944,630.06
  5. Step 5: Solve for x
    x = 1,099,216,944,630.06/907,358.60
  6. Step 6: Final answer
    x = 1,211,447.10

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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.