Home / 531,260.71-733,135.16-289,543.25

Finding the Fourth Proportional to 531,260.71, 733,135.16 and 289,543.25

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Solution

The fourth proportional to 531,260.71, 733,135.16 and 289,543.25 is: 399,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,260.71 : 733,135.16 = 289,543.25 : x
  2. Step 2: Convert to fraction form
    531,260.71/733,135.16 = 289,543.25/x
  3. Step 3: Cross multiply
    531,260.71x = 733,135.16 × 289,543.25
  4. Step 4: Simplify right side
    531,260.71x = 212,274,336,915.67
  5. Step 5: Solve for x
    x = 212,274,336,915.67/531,260.71
  6. Step 6: Final answer
    x = 399,567.17

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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.