Home / 531,710.92-733,346.20-340,742.08

Finding the Fourth Proportional to 531,710.92, 733,346.20 and 340,742.08

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Solution

The fourth proportional to 531,710.92, 733,346.20 and 340,742.08 is: 469,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,710.92 : 733,346.20 = 340,742.08 : x
  2. Step 2: Convert to fraction form
    531,710.92/733,346.20 = 340,742.08/x
  3. Step 3: Cross multiply
    531,710.92x = 733,346.20 × 340,742.08
  4. Step 4: Simplify right side
    531,710.92x = 249,881,909,548.10
  5. Step 5: Solve for x
    x = 249,881,909,548.10/531,710.92
  6. Step 6: Final answer
    x = 469,958.21

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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.