Home / 719,880.48-1,077,556.14-493,919.64

Finding the Fourth Proportional to 719,880.48, 1,077,556.14 and 493,919.64

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Solution

The fourth proportional to 719,880.48, 1,077,556.14 and 493,919.64 is: 739,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,880.48 : 1,077,556.14 = 493,919.64 : x
  2. Step 2: Convert to fraction form
    719,880.48/1,077,556.14 = 493,919.64/x
  3. Step 3: Cross multiply
    719,880.48x = 1,077,556.14 × 493,919.64
  4. Step 4: Simplify right side
    719,880.48x = 532,226,140,748.59
  5. Step 5: Solve for x
    x = 532,226,140,748.59/719,880.48
  6. Step 6: Final answer
    x = 739,325.70

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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.