Home / 909,343.40-1,254,891.30-527,593.64

Finding the Fourth Proportional to 909,343.40, 1,254,891.30 and 527,593.64

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Solution

The fourth proportional to 909,343.40, 1,254,891.30 and 527,593.64 is: 728,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,343.40 : 1,254,891.30 = 527,593.64 : x
  2. Step 2: Convert to fraction form
    909,343.40/1,254,891.30 = 527,593.64/x
  3. Step 3: Cross multiply
    909,343.40x = 1,254,891.30 × 527,593.64
  4. Step 4: Simplify right side
    909,343.40x = 662,072,668,771.33
  5. Step 5: Solve for x
    x = 662,072,668,771.33/909,343.40
  6. Step 6: Final answer
    x = 728,077.72

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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.