Home / 768,188.80-1,152,283.20-516,246.40

Finding the Fourth Proportional to 768,188.80, 1,152,283.20 and 516,246.40

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Solution

The fourth proportional to 768,188.80, 1,152,283.20 and 516,246.40 is: 774,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,188.80 : 1,152,283.20 = 516,246.40 : x
  2. Step 2: Convert to fraction form
    768,188.80/1,152,283.20 = 516,246.40/x
  3. Step 3: Cross multiply
    768,188.80x = 1,152,283.20 × 516,246.40
  4. Step 4: Simplify right side
    768,188.80x = 594,862,053,780.48
  5. Step 5: Solve for x
    x = 594,862,053,780.48/768,188.80
  6. Step 6: Final answer
    x = 774,369.60

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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.