Home / 1,476,200.60-2,214,300.90-478,928.60

Finding the Fourth Proportional to 1,476,200.60, 2,214,300.90 and 478,928.60

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Solution

The fourth proportional to 1,476,200.60, 2,214,300.90 and 478,928.60 is: 718,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,200.60 : 2,214,300.90 = 478,928.60 : x
  2. Step 2: Convert to fraction form
    1,476,200.60/2,214,300.90 = 478,928.60/x
  3. Step 3: Cross multiply
    1,476,200.60x = 2,214,300.90 × 478,928.60
  4. Step 4: Simplify right side
    1,476,200.60x = 1,060,492,030,015.74
  5. Step 5: Solve for x
    x = 1,060,492,030,015.74/1,476,200.60
  6. Step 6: Final answer
    x = 718,392.90

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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.