Home / 740,961.34-1,022,527.72-401,429.58

Finding the Fourth Proportional to 740,961.34, 1,022,527.72 and 401,429.58

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Solution

The fourth proportional to 740,961.34, 1,022,527.72 and 401,429.58 is: 553,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,961.34 : 1,022,527.72 = 401,429.58 : x
  2. Step 2: Convert to fraction form
    740,961.34/1,022,527.72 = 401,429.58/x
  3. Step 3: Cross multiply
    740,961.34x = 1,022,527.72 × 401,429.58
  4. Step 4: Simplify right side
    740,961.34x = 410,472,873,177.96
  5. Step 5: Solve for x
    x = 410,472,873,177.96/740,961.34
  6. Step 6: Final answer
    x = 553,973.40

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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.