Home / 1,663,139.20-2,494,766.40-525,913.60

Finding the Fourth Proportional to 1,663,139.20, 2,494,766.40 and 525,913.60

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Solution

The fourth proportional to 1,663,139.20, 2,494,766.40 and 525,913.60 is: 788,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,139.20 : 2,494,766.40 = 525,913.60 : x
  2. Step 2: Convert to fraction form
    1,663,139.20/2,494,766.40 = 525,913.60/x
  3. Step 3: Cross multiply
    1,663,139.20x = 2,494,766.40 × 525,913.60
  4. Step 4: Simplify right side
    1,663,139.20x = 1,312,031,578,583.04
  5. Step 5: Solve for x
    x = 1,312,031,578,583.04/1,663,139.20
  6. Step 6: Final answer
    x = 788,888.61

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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.