Home / 946,581.60-1,306,335.78-516,901.80

Finding the Fourth Proportional to 946,581.60, 1,306,335.78 and 516,901.80

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Solution

The fourth proportional to 946,581.60, 1,306,335.78 and 516,901.80 is: 713,353.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,581.60 : 1,306,335.78 = 516,901.80 : x
  2. Step 2: Convert to fraction form
    946,581.60/1,306,335.78 = 516,901.80/x
  3. Step 3: Cross multiply
    946,581.60x = 1,306,335.78 × 516,901.80
  4. Step 4: Simplify right side
    946,581.60x = 675,247,316,086.40
  5. Step 5: Solve for x
    x = 675,247,316,086.40/946,581.60
  6. Step 6: Final answer
    x = 713,353.52

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1.5x scale

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.