Home / 1,234,851.40-1,851,488.70-524,513.80

Finding the Fourth Proportional to 1,234,851.40, 1,851,488.70 and 524,513.80

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Solution

The fourth proportional to 1,234,851.40, 1,851,488.70 and 524,513.80 is: 786,435.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,851.40 : 1,851,488.70 = 524,513.80 : x
  2. Step 2: Convert to fraction form
    1,234,851.40/1,851,488.70 = 524,513.80/x
  3. Step 3: Cross multiply
    1,234,851.40x = 1,851,488.70 × 524,513.80
  4. Step 4: Simplify right side
    1,234,851.40x = 971,131,373,694.06
  5. Step 5: Solve for x
    x = 971,131,373,694.06/1,234,851.40
  6. Step 6: Final answer
    x = 786,435.82

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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.