Home / 692,726.40-1,039,089.60-576,086.40

Finding the Fourth Proportional to 692,726.40, 1,039,089.60 and 576,086.40

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Solution

The fourth proportional to 692,726.40, 1,039,089.60 and 576,086.40 is: 864,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,726.40 : 1,039,089.60 = 576,086.40 : x
  2. Step 2: Convert to fraction form
    692,726.40/1,039,089.60 = 576,086.40/x
  3. Step 3: Cross multiply
    692,726.40x = 1,039,089.60 × 576,086.40
  4. Step 4: Simplify right side
    692,726.40x = 598,605,386,941.44
  5. Step 5: Solve for x
    x = 598,605,386,941.44/692,726.40
  6. Step 6: Final answer
    x = 864,129.60

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1.5x scale

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.