Home / 940,362.39-1,298,031.21-558,386.46

Finding the Fourth Proportional to 940,362.39, 1,298,031.21 and 558,386.46

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Solution

The fourth proportional to 940,362.39, 1,298,031.21 and 558,386.46 is: 770,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,362.39 : 1,298,031.21 = 558,386.46 : x
  2. Step 2: Convert to fraction form
    940,362.39/1,298,031.21 = 558,386.46/x
  3. Step 3: Cross multiply
    940,362.39x = 1,298,031.21 × 558,386.46
  4. Step 4: Simplify right side
    940,362.39x = 724,803,052,321.42
  5. Step 5: Solve for x
    x = 724,803,052,321.42/940,362.39
  6. Step 6: Final answer
    x = 770,769.93

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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.