Home / 683,827.81-943,685.28-373,736.68

Finding the Fourth Proportional to 683,827.81, 943,685.28 and 373,736.68

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Solution

The fourth proportional to 683,827.81, 943,685.28 and 373,736.68 is: 515,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,827.81 : 943,685.28 = 373,736.68 : x
  2. Step 2: Convert to fraction form
    683,827.81/943,685.28 = 373,736.68/x
  3. Step 3: Cross multiply
    683,827.81x = 943,685.28 × 373,736.68
  4. Step 4: Simplify right side
    683,827.81x = 352,689,801,152.86
  5. Step 5: Solve for x
    x = 352,689,801,152.86/683,827.81
  6. Step 6: Final answer
    x = 515,758.20

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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.