Home / 533,619.76-736,412.84-291,896.81

Finding the Fourth Proportional to 533,619.76, 736,412.84 and 291,896.81

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Solution

The fourth proportional to 533,619.76, 736,412.84 and 291,896.81 is: 402,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,619.76 : 736,412.84 = 291,896.81 : x
  2. Step 2: Convert to fraction form
    533,619.76/736,412.84 = 291,896.81/x
  3. Step 3: Cross multiply
    533,619.76x = 736,412.84 × 291,896.81
  4. Step 4: Simplify right side
    533,619.76x = 214,956,554,792.11
  5. Step 5: Solve for x
    x = 214,956,554,792.11/533,619.76
  6. Step 6: Final answer
    x = 402,827.20

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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.