Home / 518,764.50-715,895.01-292,418.10

Finding the Fourth Proportional to 518,764.50, 715,895.01 and 292,418.10

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Solution

The fourth proportional to 518,764.50, 715,895.01 and 292,418.10 is: 403,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,764.50 : 715,895.01 = 292,418.10 : x
  2. Step 2: Convert to fraction form
    518,764.50/715,895.01 = 292,418.10/x
  3. Step 3: Cross multiply
    518,764.50x = 715,895.01 × 292,418.10
  4. Step 4: Simplify right side
    518,764.50x = 209,340,658,623.68
  5. Step 5: Solve for x
    x = 209,340,658,623.68/518,764.50
  6. Step 6: Final answer
    x = 403,536.98

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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.