Home / 430,016.32-641,396.27-373,411.29

Finding the Fourth Proportional to 430,016.32, 641,396.27 and 373,411.29

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Solution

The fourth proportional to 430,016.32, 641,396.27 and 373,411.29 is: 556,966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,016.32 : 641,396.27 = 373,411.29 : x
  2. Step 2: Convert to fraction form
    430,016.32/641,396.27 = 373,411.29/x
  3. Step 3: Cross multiply
    430,016.32x = 641,396.27 × 373,411.29
  4. Step 4: Simplify right side
    430,016.32x = 239,504,608,581.89
  5. Step 5: Solve for x
    x = 239,504,608,581.89/430,016.32
  6. Step 6: Final answer
    x = 556,966.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.