Home / 533,619.81-736,412.90-291,896.86

Finding the Fourth Proportional to 533,619.81, 736,412.90 and 291,896.86

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Solution

The fourth proportional to 533,619.81, 736,412.90 and 291,896.86 is: 402,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,619.81 : 736,412.90 = 291,896.86 : x
  2. Step 2: Convert to fraction form
    533,619.81/736,412.90 = 291,896.86/x
  3. Step 3: Cross multiply
    533,619.81x = 736,412.90 × 291,896.86
  4. Step 4: Simplify right side
    533,619.81x = 214,956,612,062.20
  5. Step 5: Solve for x
    x = 214,956,612,062.20/533,619.81
  6. Step 6: Final answer
    x = 402,827.27

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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.