Home / 631,489.40-949,566.90-528,846.20

Finding the Fourth Proportional to 631,489.40, 949,566.90 and 528,846.20

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Solution

The fourth proportional to 631,489.40, 949,566.90 and 528,846.20 is: 795,222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,489.40 : 949,566.90 = 528,846.20 : x
  2. Step 2: Convert to fraction form
    631,489.40/949,566.90 = 528,846.20/x
  3. Step 3: Cross multiply
    631,489.40x = 949,566.90 × 528,846.20
  4. Step 4: Simplify right side
    631,489.40x = 502,174,846,710.78
  5. Step 5: Solve for x
    x = 502,174,846,710.78/631,489.40
  6. Step 6: Final answer
    x = 795,222.92

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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.