Home / 621,319.74-931,982.02-189,041.46

Finding the Fourth Proportional to 621,319.74, 931,982.02 and 189,041.46

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Solution

The fourth proportional to 621,319.74, 931,982.02 and 189,041.46 is: 283,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,319.74 : 931,982.02 = 189,041.46 : x
  2. Step 2: Convert to fraction form
    621,319.74/931,982.02 = 189,041.46/x
  3. Step 3: Cross multiply
    621,319.74x = 931,982.02 × 189,041.46
  4. Step 4: Simplify right side
    621,319.74x = 176,183,241,754.55
  5. Step 5: Solve for x
    x = 176,183,241,754.55/621,319.74
  6. Step 6: Final answer
    x = 283,562.92

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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.