Home / 615,681.11-849,631.66-343,753.17

Finding the Fourth Proportional to 615,681.11, 849,631.66 and 343,753.17

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Solution

The fourth proportional to 615,681.11, 849,631.66 and 343,753.17 is: 474,374.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,681.11 : 849,631.66 = 343,753.17 : x
  2. Step 2: Convert to fraction form
    615,681.11/849,631.66 = 343,753.17/x
  3. Step 3: Cross multiply
    615,681.11x = 849,631.66 × 343,753.17
  4. Step 4: Simplify right side
    615,681.11x = 292,063,576,457.36
  5. Step 5: Solve for x
    x = 292,063,576,457.36/615,681.11
  6. Step 6: Final answer
    x = 474,374.76

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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.