Home / 1,038,659.78-1,433,346.63-579,770.35

Finding the Fourth Proportional to 1,038,659.78, 1,433,346.63 and 579,770.35

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Solution

The fourth proportional to 1,038,659.78, 1,433,346.63 and 579,770.35 is: 800,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,659.78 : 1,433,346.63 = 579,770.35 : x
  2. Step 2: Convert to fraction form
    1,038,659.78/1,433,346.63 = 579,770.35/x
  3. Step 3: Cross multiply
    1,038,659.78x = 1,433,346.63 × 579,770.35
  4. Step 4: Simplify right side
    1,038,659.78x = 831,011,870,179.69
  5. Step 5: Solve for x
    x = 831,011,870,179.69/1,038,659.78
  6. Step 6: Final answer
    x = 800,080.92

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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.