Home / 664,289.60-996,337.20-190,925.60

Finding the Fourth Proportional to 664,289.60, 996,337.20 and 190,925.60

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Solution

The fourth proportional to 664,289.60, 996,337.20 and 190,925.60 is: 286,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,289.60 : 996,337.20 = 190,925.60 : x
  2. Step 2: Convert to fraction form
    664,289.60/996,337.20 = 190,925.60/x
  3. Step 3: Cross multiply
    664,289.60x = 996,337.20 × 190,925.60
  4. Step 4: Simplify right side
    664,289.60x = 190,226,277,712.32
  5. Step 5: Solve for x
    x = 190,226,277,712.32/664,289.60
  6. Step 6: Final answer
    x = 286,360.46

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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.