Home / 484,368.30-724,824.45-306,960.30

Finding the Fourth Proportional to 484,368.30, 724,824.45 and 306,960.30

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Solution

The fourth proportional to 484,368.30, 724,824.45 and 306,960.30 is: 459,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,368.30 : 724,824.45 = 306,960.30 : x
  2. Step 2: Convert to fraction form
    484,368.30/724,824.45 = 306,960.30/x
  3. Step 3: Cross multiply
    484,368.30x = 724,824.45 × 306,960.30
  4. Step 4: Simplify right side
    484,368.30x = 222,492,330,619.34
  5. Step 5: Solve for x
    x = 222,492,330,619.34/484,368.30
  6. Step 6: Final answer
    x = 459,345.36

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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.