Home / 645,232.10-969,247.83-621,612.50

Finding the Fourth Proportional to 645,232.10, 969,247.83 and 621,612.50

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Solution

The fourth proportional to 645,232.10, 969,247.83 and 621,612.50 is: 933,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,232.10 : 969,247.83 = 621,612.50 : x
  2. Step 2: Convert to fraction form
    645,232.10/969,247.83 = 621,612.50/x
  3. Step 3: Cross multiply
    645,232.10x = 969,247.83 × 621,612.50
  4. Step 4: Simplify right side
    645,232.10x = 602,496,566,725.88
  5. Step 5: Solve for x
    x = 602,496,566,725.88/645,232.10
  6. Step 6: Final answer
    x = 933,767.19

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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.