Home / 939,838.95-1,296,943-510,109.92

Finding the Fourth Proportional to 939,838.95, 1,296,943 and 510,109.92

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Solution

The fourth proportional to 939,838.95, 1,296,943 and 510,109.92 is: 703,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,838.95 : 1,296,943 = 510,109.92 : x
  2. Step 2: Convert to fraction form
    939,838.95/1,296,943 = 510,109.92/x
  3. Step 3: Cross multiply
    939,838.95x = 1,296,943 × 510,109.92
  4. Step 4: Simplify right side
    939,838.95x = 661,583,489,974.56
  5. Step 5: Solve for x
    x = 661,583,489,974.56/939,838.95
  6. Step 6: Final answer
    x = 703,932.83

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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.