Home / 939,807.15-1,296,935.06-510,087.30

Finding the Fourth Proportional to 939,807.15, 1,296,935.06 and 510,087.30

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Solution

The fourth proportional to 939,807.15, 1,296,935.06 and 510,087.30 is: 703,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,807.15 : 1,296,935.06 = 510,087.30 : x
  2. Step 2: Convert to fraction form
    939,807.15/1,296,935.06 = 510,087.30/x
  3. Step 3: Cross multiply
    939,807.15x = 1,296,935.06 × 510,087.30
  4. Step 4: Simplify right side
    939,807.15x = 661,550,100,480.30
  5. Step 5: Solve for x
    x = 661,550,100,480.30/939,807.15
  6. Step 6: Final answer
    x = 703,921.12

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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.