Home / 839,828.62-1,158,985.56-517,751.56

Finding the Fourth Proportional to 839,828.62, 1,158,985.56 and 517,751.56

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Solution

The fourth proportional to 839,828.62, 1,158,985.56 and 517,751.56 is: 714,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,828.62 : 1,158,985.56 = 517,751.56 : x
  2. Step 2: Convert to fraction form
    839,828.62/1,158,985.56 = 517,751.56/x
  3. Step 3: Cross multiply
    839,828.62x = 1,158,985.56 × 517,751.56
  4. Step 4: Simplify right side
    839,828.62x = 600,066,581,707.47
  5. Step 5: Solve for x
    x = 600,066,581,707.47/839,828.62
  6. Step 6: Final answer
    x = 714,510.76

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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.