Home / 518,566.13-715,621.26-292,219.73

Finding the Fourth Proportional to 518,566.13, 715,621.26 and 292,219.73

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Solution

The fourth proportional to 518,566.13, 715,621.26 and 292,219.73 is: 403,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,566.13 : 715,621.26 = 292,219.73 : x
  2. Step 2: Convert to fraction form
    518,566.13/715,621.26 = 292,219.73/x
  3. Step 3: Cross multiply
    518,566.13x = 715,621.26 × 292,219.73
  4. Step 4: Simplify right side
    518,566.13x = 209,118,651,379.46
  5. Step 5: Solve for x
    x = 209,118,651,379.46/518,566.13
  6. Step 6: Final answer
    x = 403,263.23

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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.