Home / 972,510.98-1,342,082.39-536,979.51

Finding the Fourth Proportional to 972,510.98, 1,342,082.39 and 536,979.51

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Solution

The fourth proportional to 972,510.98, 1,342,082.39 and 536,979.51 is: 741,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,510.98 : 1,342,082.39 = 536,979.51 : x
  2. Step 2: Convert to fraction form
    972,510.98/1,342,082.39 = 536,979.51/x
  3. Step 3: Cross multiply
    972,510.98x = 1,342,082.39 × 536,979.51
  4. Step 4: Simplify right side
    972,510.98x = 720,670,741,476.93
  5. Step 5: Solve for x
    x = 720,670,741,476.93/972,510.98
  6. Step 6: Final answer
    x = 741,041.24

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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.