Home / 621,123.84-931,927.68-247,184.64

Finding the Fourth Proportional to 621,123.84, 931,927.68 and 247,184.64

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Solution

The fourth proportional to 621,123.84, 931,927.68 and 247,184.64 is: 370,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,123.84 : 931,927.68 = 247,184.64 : x
  2. Step 2: Convert to fraction form
    621,123.84/931,927.68 = 247,184.64/x
  3. Step 3: Cross multiply
    621,123.84x = 931,927.68 × 247,184.64
  4. Step 4: Simplify right side
    621,123.84x = 230,358,208,086.84
  5. Step 5: Solve for x
    x = 230,358,208,086.84/621,123.84
  6. Step 6: Final answer
    x = 370,873.24

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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.