Home / 816,817.68-1,224,426.52-457,164.16

Finding the Fourth Proportional to 816,817.68, 1,224,426.52 and 457,164.16

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Solution

The fourth proportional to 816,817.68, 1,224,426.52 and 457,164.16 is: 685,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,817.68 : 1,224,426.52 = 457,164.16 : x
  2. Step 2: Convert to fraction form
    816,817.68/1,224,426.52 = 457,164.16/x
  3. Step 3: Cross multiply
    816,817.68x = 1,224,426.52 × 457,164.16
  4. Step 4: Simplify right side
    816,817.68x = 559,763,921,497.52
  5. Step 5: Solve for x
    x = 559,763,921,497.52/816,817.68
  6. Step 6: Final answer
    x = 685,298.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.