Home / 912,289.40-1,258,937.17-504,380.73

Finding the Fourth Proportional to 912,289.40, 1,258,937.17 and 504,380.73

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Solution

The fourth proportional to 912,289.40, 1,258,937.17 and 504,380.73 is: 696,033.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,289.40 : 1,258,937.17 = 504,380.73 : x
  2. Step 2: Convert to fraction form
    912,289.40/1,258,937.17 = 504,380.73/x
  3. Step 3: Cross multiply
    912,289.40x = 1,258,937.17 × 504,380.73
  4. Step 4: Simplify right side
    912,289.40x = 634,983,648,828.73
  5. Step 5: Solve for x
    x = 634,983,648,828.73/912,289.40
  6. Step 6: Final answer
    x = 696,033.14

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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.