Home / 953,031.21-1,315,301.54-545,076.47

Finding the Fourth Proportional to 953,031.21, 1,315,301.54 and 545,076.47

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Solution

The fourth proportional to 953,031.21, 1,315,301.54 and 545,076.47 is: 752,273.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,031.21 : 1,315,301.54 = 545,076.47 : x
  2. Step 2: Convert to fraction form
    953,031.21/1,315,301.54 = 545,076.47/x
  3. Step 3: Cross multiply
    953,031.21x = 1,315,301.54 × 545,076.47
  4. Step 4: Simplify right side
    953,031.21x = 716,939,920,408.76
  5. Step 5: Solve for x
    x = 716,939,920,408.76/953,031.21
  6. Step 6: Final answer
    x = 752,273.29

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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.