Home / 939,856.32-1,296,966.83-510,127.20

Finding the Fourth Proportional to 939,856.32, 1,296,966.83 and 510,127.20

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Solution

The fourth proportional to 939,856.32, 1,296,966.83 and 510,127.20 is: 703,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,856.32 : 1,296,966.83 = 510,127.20 : x
  2. Step 2: Convert to fraction form
    939,856.32/1,296,966.83 = 510,127.20/x
  3. Step 3: Cross multiply
    939,856.32x = 1,296,966.83 × 510,127.20
  4. Step 4: Simplify right side
    939,856.32x = 661,618,054,930.14
  5. Step 5: Solve for x
    x = 661,618,054,930.14/939,856.32
  6. Step 6: Final answer
    x = 703,956.60

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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.