Home / 1,293,288.41-1,784,877.21-712,569.92

Finding the Fourth Proportional to 1,293,288.41, 1,784,877.21 and 712,569.92

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Solution

The fourth proportional to 1,293,288.41, 1,784,877.21 and 712,569.92 is: 983,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,288.41 : 1,784,877.21 = 712,569.92 : x
  2. Step 2: Convert to fraction form
    1,293,288.41/1,784,877.21 = 712,569.92/x
  3. Step 3: Cross multiply
    1,293,288.41x = 1,784,877.21 × 712,569.92
  4. Step 4: Simplify right side
    1,293,288.41x = 1,271,849,801,815.14
  5. Step 5: Solve for x
    x = 1,271,849,801,815.14/1,293,288.41
  6. Step 6: Final answer
    x = 983,423.18

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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.