Home / 963,131.31-1,329,120.63-533,411.01

Finding the Fourth Proportional to 963,131.31, 1,329,120.63 and 533,411.01

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Solution

The fourth proportional to 963,131.31, 1,329,120.63 and 533,411.01 is: 736,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,131.31 : 1,329,120.63 = 533,411.01 : x
  2. Step 2: Convert to fraction form
    963,131.31/1,329,120.63 = 533,411.01/x
  3. Step 3: Cross multiply
    963,131.31x = 1,329,120.63 × 533,411.01
  4. Step 4: Simplify right side
    963,131.31x = 708,967,577,660.14
  5. Step 5: Solve for x
    x = 708,967,577,660.14/963,131.31
  6. Step 6: Final answer
    x = 736,106.87

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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.