Home / 354,623.80-531,935.70-344,782.30

Finding the Fourth Proportional to 354,623.80, 531,935.70 and 344,782.30

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Solution

The fourth proportional to 354,623.80, 531,935.70 and 344,782.30 is: 517,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,623.80 : 531,935.70 = 344,782.30 : x
  2. Step 2: Convert to fraction form
    354,623.80/531,935.70 = 344,782.30/x
  3. Step 3: Cross multiply
    354,623.80x = 531,935.70 × 344,782.30
  4. Step 4: Simplify right side
    354,623.80x = 183,402,014,098.11
  5. Step 5: Solve for x
    x = 183,402,014,098.11/354,623.80
  6. Step 6: Final answer
    x = 517,173.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.