Home / 410,923.40-616,385.10-115,435.40

Finding the Fourth Proportional to 410,923.40, 616,385.10 and 115,435.40

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Solution

The fourth proportional to 410,923.40, 616,385.10 and 115,435.40 is: 173,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,923.40 : 616,385.10 = 115,435.40 : x
  2. Step 2: Convert to fraction form
    410,923.40/616,385.10 = 115,435.40/x
  3. Step 3: Cross multiply
    410,923.40x = 616,385.10 × 115,435.40
  4. Step 4: Simplify right side
    410,923.40x = 71,152,660,572.54
  5. Step 5: Solve for x
    x = 71,152,660,572.54/410,923.40
  6. Step 6: Final answer
    x = 173,153.10

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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.