Home / 939,770.10-1,296,883.98-510,050.22

Finding the Fourth Proportional to 939,770.10, 1,296,883.98 and 510,050.22

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Solution

The fourth proportional to 939,770.10, 1,296,883.98 and 510,050.22 is: 703,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,770.10 : 1,296,883.98 = 510,050.22 : x
  2. Step 2: Convert to fraction form
    939,770.10/1,296,883.98 = 510,050.22/x
  3. Step 3: Cross multiply
    939,770.10x = 1,296,883.98 × 510,050.22
  4. Step 4: Simplify right side
    939,770.10x = 661,475,959,313.48
  5. Step 5: Solve for x
    x = 661,475,959,313.48/939,770.10
  6. Step 6: Final answer
    x = 703,869.98

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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.