Home / 352,583.02-486,641.28-216,688.24

Finding the Fourth Proportional to 352,583.02, 486,641.28 and 216,688.24

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Solution

The fourth proportional to 352,583.02, 486,641.28 and 216,688.24 is: 299,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,583.02 : 486,641.28 = 216,688.24 : x
  2. Step 2: Convert to fraction form
    352,583.02/486,641.28 = 216,688.24/x
  3. Step 3: Cross multiply
    352,583.02x = 486,641.28 × 216,688.24
  4. Step 4: Simplify right side
    352,583.02x = 105,449,442,474.55
  5. Step 5: Solve for x
    x = 105,449,442,474.55/352,583.02
  6. Step 6: Final answer
    x = 299,076.92

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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.