Home / 460,518.05-630,911.92-443,259.88

Finding the Fourth Proportional to 460,518.05, 630,911.92 and 443,259.88

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Solution

The fourth proportional to 460,518.05, 630,911.92 and 443,259.88 is: 607,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,518.05 : 630,911.92 = 443,259.88 : x
  2. Step 2: Convert to fraction form
    460,518.05/630,911.92 = 443,259.88/x
  3. Step 3: Cross multiply
    460,518.05x = 630,911.92 × 443,259.88
  4. Step 4: Simplify right side
    460,518.05x = 279,657,939,733.47
  5. Step 5: Solve for x
    x = 279,657,939,733.47/460,518.05
  6. Step 6: Final answer
    x = 607,268.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.