Home / 631,434.71-947,144.85-182,140.76

Finding the Fourth Proportional to 631,434.71, 947,144.85 and 182,140.76

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Solution

The fourth proportional to 631,434.71, 947,144.85 and 182,140.76 is: 273,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,434.71 : 947,144.85 = 182,140.76 : x
  2. Step 2: Convert to fraction form
    631,434.71/947,144.85 = 182,140.76/x
  3. Step 3: Cross multiply
    631,434.71x = 947,144.85 × 182,140.76
  4. Step 4: Simplify right side
    631,434.71x = 172,513,682,809.09
  5. Step 5: Solve for x
    x = 172,513,682,809.09/631,434.71
  6. Step 6: Final answer
    x = 273,209.06

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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.