Home / 1,275,702.42-1,913,789.06-527,806.74

Finding the Fourth Proportional to 1,275,702.42, 1,913,789.06 and 527,806.74

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Solution

The fourth proportional to 1,275,702.42, 1,913,789.06 and 527,806.74 is: 791,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,702.42 : 1,913,789.06 = 527,806.74 : x
  2. Step 2: Convert to fraction form
    1,275,702.42/1,913,789.06 = 527,806.74/x
  3. Step 3: Cross multiply
    1,275,702.42x = 1,913,789.06 × 527,806.74
  4. Step 4: Simplify right side
    1,275,702.42x = 1,010,110,764,806.26
  5. Step 5: Solve for x
    x = 1,010,110,764,806.26/1,275,702.42
  6. Step 6: Final answer
    x = 791,807.52

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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.