Home / 939,593.47-1,296,642.51-509,873.69

Finding the Fourth Proportional to 939,593.47, 1,296,642.51 and 509,873.69

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Solution

The fourth proportional to 939,593.47, 1,296,642.51 and 509,873.69 is: 703,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,593.47 : 1,296,642.51 = 509,873.69 : x
  2. Step 2: Convert to fraction form
    939,593.47/1,296,642.51 = 509,873.69/x
  3. Step 3: Cross multiply
    939,593.47x = 1,296,642.51 × 509,873.69
  4. Step 4: Simplify right side
    939,593.47x = 661,123,894,701.35
  5. Step 5: Solve for x
    x = 661,123,894,701.35/939,593.47
  6. Step 6: Final answer
    x = 703,627.60

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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.