Home / 1,196,915.40-1,793,915.10-521,569.80

Finding the Fourth Proportional to 1,196,915.40, 1,793,915.10 and 521,569.80

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Solution

The fourth proportional to 1,196,915.40, 1,793,915.10 and 521,569.80 is: 781,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,915.40 : 1,793,915.10 = 521,569.80 : x
  2. Step 2: Convert to fraction form
    1,196,915.40/1,793,915.10 = 521,569.80/x
  3. Step 3: Cross multiply
    1,196,915.40x = 1,793,915.10 × 521,569.80
  4. Step 4: Simplify right side
    1,196,915.40x = 935,651,939,923.98
  5. Step 5: Solve for x
    x = 935,651,939,923.98/1,196,915.40
  6. Step 6: Final answer
    x = 781,719.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.