Home / 1,042,486.50-1,438,621.65-589,777.50

Finding the Fourth Proportional to 1,042,486.50, 1,438,621.65 and 589,777.50

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Solution

The fourth proportional to 1,042,486.50, 1,438,621.65 and 589,777.50 is: 813,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,486.50 : 1,438,621.65 = 589,777.50 : x
  2. Step 2: Convert to fraction form
    1,042,486.50/1,438,621.65 = 589,777.50/x
  3. Step 3: Cross multiply
    1,042,486.50x = 1,438,621.65 × 589,777.50
  4. Step 4: Simplify right side
    1,042,486.50x = 848,466,680,182.88
  5. Step 5: Solve for x
    x = 848,466,680,182.88/1,042,486.50
  6. Step 6: Final answer
    x = 813,887.45

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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.