Home / 608,635.20-839,941.28-336,698.40

Finding the Fourth Proportional to 608,635.20, 839,941.28 and 336,698.40

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Solution

The fourth proportional to 608,635.20, 839,941.28 and 336,698.40 is: 464,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,635.20 : 839,941.28 = 336,698.40 : x
  2. Step 2: Convert to fraction form
    608,635.20/839,941.28 = 336,698.40/x
  3. Step 3: Cross multiply
    608,635.20x = 839,941.28 × 336,698.40
  4. Step 4: Simplify right side
    608,635.20x = 282,806,885,069.95
  5. Step 5: Solve for x
    x = 282,806,885,069.95/608,635.20
  6. Step 6: Final answer
    x = 464,657.46

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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.