Home / 916,995.89-1,265,458.92-573,031.55

Finding the Fourth Proportional to 916,995.89, 1,265,458.92 and 573,031.55

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Solution

The fourth proportional to 916,995.89, 1,265,458.92 and 573,031.55 is: 790,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,995.89 : 1,265,458.92 = 573,031.55 : x
  2. Step 2: Convert to fraction form
    916,995.89/1,265,458.92 = 573,031.55/x
  3. Step 3: Cross multiply
    916,995.89x = 1,265,458.92 × 573,031.55
  4. Step 4: Simplify right side
    916,995.89x = 725,147,887,403.71
  5. Step 5: Solve for x
    x = 725,147,887,403.71/916,995.89
  6. Step 6: Final answer
    x = 790,786.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.