Home / 468,190.67-645,865.08-284,380.32

Finding the Fourth Proportional to 468,190.67, 645,865.08 and 284,380.32

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Solution

The fourth proportional to 468,190.67, 645,865.08 and 284,380.32 is: 392,300.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,190.67 : 645,865.08 = 284,380.32 : x
  2. Step 2: Convert to fraction form
    468,190.67/645,865.08 = 284,380.32/x
  3. Step 3: Cross multiply
    468,190.67x = 645,865.08 × 284,380.32
  4. Step 4: Simplify right side
    468,190.67x = 183,671,318,127.23
  5. Step 5: Solve for x
    x = 183,671,318,127.23/468,190.67
  6. Step 6: Final answer
    x = 392,300.26

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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.