Home / 1,456,777.38-2,185,795.50-782,070.78

Finding the Fourth Proportional to 1,456,777.38, 2,185,795.50 and 782,070.78

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Solution

The fourth proportional to 1,456,777.38, 2,185,795.50 and 782,070.78 is: 1,173,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,777.38 : 2,185,795.50 = 782,070.78 : x
  2. Step 2: Convert to fraction form
    1,456,777.38/2,185,795.50 = 782,070.78/x
  3. Step 3: Cross multiply
    1,456,777.38x = 2,185,795.50 × 782,070.78
  4. Step 4: Simplify right side
    1,456,777.38x = 1,709,446,791,605.49
  5. Step 5: Solve for x
    x = 1,709,446,791,605.49/1,456,777.38
  6. Step 6: Final answer
    x = 1,173,444.08

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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.