Home / 939,770.12-1,296,883.47-510,050.14

Finding the Fourth Proportional to 939,770.12, 1,296,883.47 and 510,050.14

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Solution

The fourth proportional to 939,770.12, 1,296,883.47 and 510,050.14 is: 703,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,770.12 : 1,296,883.47 = 510,050.14 : x
  2. Step 2: Convert to fraction form
    939,770.12/1,296,883.47 = 510,050.14/x
  3. Step 3: Cross multiply
    939,770.12x = 1,296,883.47 × 510,050.14
  4. Step 4: Simplify right side
    939,770.12x = 661,475,588,952.77
  5. Step 5: Solve for x
    x = 661,475,588,952.77/939,770.12
  6. Step 6: Final answer
    x = 703,869.57

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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.