Home / 939,783.92-1,296,903.10-510,064.04

Finding the Fourth Proportional to 939,783.92, 1,296,903.10 and 510,064.04

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Solution

The fourth proportional to 939,783.92, 1,296,903.10 and 510,064.04 is: 703,889.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,783.92 : 1,296,903.10 = 510,064.04 : x
  2. Step 2: Convert to fraction form
    939,783.92/1,296,903.10 = 510,064.04/x
  3. Step 3: Cross multiply
    939,783.92x = 1,296,903.10 × 510,064.04
  4. Step 4: Simplify right side
    939,783.92x = 661,503,634,674.52
  5. Step 5: Solve for x
    x = 661,503,634,674.52/939,783.92
  6. Step 6: Final answer
    x = 703,889.08

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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.