Home / 1,456,717.48-2,011,539.45-913,786.53

Finding the Fourth Proportional to 1,456,717.48, 2,011,539.45 and 913,786.53

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Solution

The fourth proportional to 1,456,717.48, 2,011,539.45 and 913,786.53 is: 1,261,821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,717.48 : 2,011,539.45 = 913,786.53 : x
  2. Step 2: Convert to fraction form
    1,456,717.48/2,011,539.45 = 913,786.53/x
  3. Step 3: Cross multiply
    1,456,717.48x = 2,011,539.45 × 913,786.53
  4. Step 4: Simplify right side
    1,456,717.48x = 1,838,117,653,973.61
  5. Step 5: Solve for x
    x = 1,838,117,653,973.61/1,456,717.48
  6. Step 6: Final answer
    x = 1,261,821.65

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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.