Home / 545,176.47-752,215.01-458,291.98

Finding the Fourth Proportional to 545,176.47, 752,215.01 and 458,291.98

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Solution

The fourth proportional to 545,176.47, 752,215.01 and 458,291.98 is: 632,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,176.47 : 752,215.01 = 458,291.98 : x
  2. Step 2: Convert to fraction form
    545,176.47/752,215.01 = 458,291.98/x
  3. Step 3: Cross multiply
    545,176.47x = 752,215.01 × 458,291.98
  4. Step 4: Simplify right side
    545,176.47x = 344,734,100,736.22
  5. Step 5: Solve for x
    x = 344,734,100,736.22/545,176.47
  6. Step 6: Final answer
    x = 632,334.88

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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.