Home / 1,577,503.60-2,365,672.20-512,580.40

Finding the Fourth Proportional to 1,577,503.60, 2,365,672.20 and 512,580.40

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Solution

The fourth proportional to 1,577,503.60, 2,365,672.20 and 512,580.40 is: 768,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,503.60 : 2,365,672.20 = 512,580.40 : x
  2. Step 2: Convert to fraction form
    1,577,503.60/2,365,672.20 = 512,580.40/x
  3. Step 3: Cross multiply
    1,577,503.60x = 2,365,672.20 × 512,580.40
  4. Step 4: Simplify right side
    1,577,503.60x = 1,212,597,202,544.88
  5. Step 5: Solve for x
    x = 1,212,597,202,544.88/1,577,503.60
  6. Step 6: Final answer
    x = 768,681.10

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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.