Home / 695,220.40-1,043,608.20-649,536.40

Finding the Fourth Proportional to 695,220.40, 1,043,608.20 and 649,536.40

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Solution

The fourth proportional to 695,220.40, 1,043,608.20 and 649,536.40 is: 975,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,220.40 : 1,043,608.20 = 649,536.40 : x
  2. Step 2: Convert to fraction form
    695,220.40/1,043,608.20 = 649,536.40/x
  3. Step 3: Cross multiply
    695,220.40x = 1,043,608.20 × 649,536.40
  4. Step 4: Simplify right side
    695,220.40x = 677,861,513,238.48
  5. Step 5: Solve for x
    x = 677,861,513,238.48/695,220.40
  6. Step 6: Final answer
    x = 975,031.10

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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.