Home / 850,632.09-1,173,871.64-468,658.87

Finding the Fourth Proportional to 850,632.09, 1,173,871.64 and 468,658.87

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Solution

The fourth proportional to 850,632.09, 1,173,871.64 and 468,658.87 is: 646,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,632.09 : 1,173,871.64 = 468,658.87 : x
  2. Step 2: Convert to fraction form
    850,632.09/1,173,871.64 = 468,658.87/x
  3. Step 3: Cross multiply
    850,632.09x = 1,173,871.64 × 468,658.87
  4. Step 4: Simplify right side
    850,632.09x = 550,145,354,564.42
  5. Step 5: Solve for x
    x = 550,145,354,564.42/850,632.09
  6. Step 6: Final answer
    x = 646,748.88

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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.