Home / 1,927,059.40-2,889,908.70-664,593.40

Finding the Fourth Proportional to 1,927,059.40, 2,889,908.70 and 664,593.40

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Solution

The fourth proportional to 1,927,059.40, 2,889,908.70 and 664,593.40 is: 996,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,059.40 : 2,889,908.70 = 664,593.40 : x
  2. Step 2: Convert to fraction form
    1,927,059.40/2,889,908.70 = 664,593.40/x
  3. Step 3: Cross multiply
    1,927,059.40x = 2,889,908.70 × 664,593.40
  4. Step 4: Simplify right side
    1,927,059.40x = 1,920,614,248,622.58
  5. Step 5: Solve for x
    x = 1,920,614,248,622.58/1,927,059.40
  6. Step 6: Final answer
    x = 996,655.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.