Home / 615,533.16-849,450.08-386,100.16

Finding the Fourth Proportional to 615,533.16, 849,450.08 and 386,100.16

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Solution

The fourth proportional to 615,533.16, 849,450.08 and 386,100.16 is: 532,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,533.16 : 849,450.08 = 386,100.16 : x
  2. Step 2: Convert to fraction form
    615,533.16/849,450.08 = 386,100.16/x
  3. Step 3: Cross multiply
    615,533.16x = 849,450.08 × 386,100.16
  4. Step 4: Simplify right side
    615,533.16x = 327,972,811,800.01
  5. Step 5: Solve for x
    x = 327,972,811,800.01/615,533.16
  6. Step 6: Final answer
    x = 532,827.20

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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.