Home / 1,287,525.24-1,776,702.06-714,565.80

Finding the Fourth Proportional to 1,287,525.24, 1,776,702.06 and 714,565.80

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Solution

The fourth proportional to 1,287,525.24, 1,776,702.06 and 714,565.80 is: 986,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,525.24 : 1,776,702.06 = 714,565.80 : x
  2. Step 2: Convert to fraction form
    1,287,525.24/1,776,702.06 = 714,565.80/x
  3. Step 3: Cross multiply
    1,287,525.24x = 1,776,702.06 × 714,565.80
  4. Step 4: Simplify right side
    1,287,525.24x = 1,269,570,528,865.55
  5. Step 5: Solve for x
    x = 1,269,570,528,865.55/1,287,525.24
  6. Step 6: Final answer
    x = 986,054.87

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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.