Home / 615,539.34-849,458.52-386,106.30

Finding the Fourth Proportional to 615,539.34, 849,458.52 and 386,106.30

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Solution

The fourth proportional to 615,539.34, 849,458.52 and 386,106.30 is: 532,835.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,539.34 : 849,458.52 = 386,106.30 : x
  2. Step 2: Convert to fraction form
    615,539.34/849,458.52 = 386,106.30/x
  3. Step 3: Cross multiply
    615,539.34x = 849,458.52 × 386,106.30
  4. Step 4: Simplify right side
    615,539.34x = 327,981,286,160.68
  5. Step 5: Solve for x
    x = 327,981,286,160.68/615,539.34
  6. Step 6: Final answer
    x = 532,835.62

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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.