Home / 531,744.40-733,623.56-340,862.80

Finding the Fourth Proportional to 531,744.40, 733,623.56 and 340,862.80

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Solution

The fourth proportional to 531,744.40, 733,623.56 and 340,862.80 is: 470,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,744.40 : 733,623.56 = 340,862.80 : x
  2. Step 2: Convert to fraction form
    531,744.40/733,623.56 = 340,862.80/x
  3. Step 3: Cross multiply
    531,744.40x = 733,623.56 × 340,862.80
  4. Step 4: Simplify right side
    531,744.40x = 250,064,980,807.57
  5. Step 5: Solve for x
    x = 250,064,980,807.57/531,744.40
  6. Step 6: Final answer
    x = 470,272.90

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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.