Home / 966,643.80-1,333,991.95-531,089.36

Finding the Fourth Proportional to 966,643.80, 1,333,991.95 and 531,089.36

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Solution

The fourth proportional to 966,643.80, 1,333,991.95 and 531,089.36 is: 732,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,643.80 : 1,333,991.95 = 531,089.36 : x
  2. Step 2: Convert to fraction form
    966,643.80/1,333,991.95 = 531,089.36/x
  3. Step 3: Cross multiply
    966,643.80x = 1,333,991.95 × 531,089.36
  4. Step 4: Simplify right side
    966,643.80x = 708,468,928,315.21
  5. Step 5: Solve for x
    x = 708,468,928,315.21/966,643.80
  6. Step 6: Final answer
    x = 732,916.23

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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.