Home / 1,285,084-1,773,454.80-712,070.56

Finding the Fourth Proportional to 1,285,084, 1,773,454.80 and 712,070.56

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Solution

The fourth proportional to 1,285,084, 1,773,454.80 and 712,070.56 is: 982,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,084 : 1,773,454.80 = 712,070.56 : x
  2. Step 2: Convert to fraction form
    1,285,084/1,773,454.80 = 712,070.56/x
  3. Step 3: Cross multiply
    1,285,084x = 1,773,454.80 × 712,070.56
  4. Step 4: Simplify right side
    1,285,084x = 1,262,824,952,570.69
  5. Step 5: Solve for x
    x = 1,262,824,952,570.69/1,285,084
  6. Step 6: Final answer
    x = 982,678.92

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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.