Home / 646,387.50-969,686.31-191,024.94

Finding the Fourth Proportional to 646,387.50, 969,686.31 and 191,024.94

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Solution

The fourth proportional to 646,387.50, 969,686.31 and 191,024.94 is: 286,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,387.50 : 969,686.31 = 191,024.94 : x
  2. Step 2: Convert to fraction form
    646,387.50/969,686.31 = 191,024.94/x
  3. Step 3: Cross multiply
    646,387.50x = 969,686.31 × 191,024.94
  4. Step 4: Simplify right side
    646,387.50x = 185,234,269,186.57
  5. Step 5: Solve for x
    x = 185,234,269,186.57/646,387.50
  6. Step 6: Final answer
    x = 286,568.46

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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.