Home / 939,854.07-1,296,963.72-510,124.95

Finding the Fourth Proportional to 939,854.07, 1,296,963.72 and 510,124.95

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Solution

The fourth proportional to 939,854.07, 1,296,963.72 and 510,124.95 is: 703,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,854.07 : 1,296,963.72 = 510,124.95 : x
  2. Step 2: Convert to fraction form
    939,854.07/1,296,963.72 = 510,124.95/x
  3. Step 3: Cross multiply
    939,854.07x = 1,296,963.72 × 510,124.95
  4. Step 4: Simplify right side
    939,854.07x = 661,613,552,816.81
  5. Step 5: Solve for x
    x = 661,613,552,816.81/939,854.07
  6. Step 6: Final answer
    x = 703,953.49

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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.