Home / 484,981.56-669,927.96-439,710.48

Finding the Fourth Proportional to 484,981.56, 669,927.96 and 439,710.48

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Solution

The fourth proportional to 484,981.56, 669,927.96 and 439,710.48 is: 607,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,981.56 : 669,927.96 = 439,710.48 : x
  2. Step 2: Convert to fraction form
    484,981.56/669,927.96 = 439,710.48/x
  3. Step 3: Cross multiply
    484,981.56x = 669,927.96 × 439,710.48
  4. Step 4: Simplify right side
    484,981.56x = 294,574,344,857.02
  5. Step 5: Solve for x
    x = 294,574,344,857.02/484,981.56
  6. Step 6: Final answer
    x = 607,392.88

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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.