Home / 531,239.30-733,088.82-289,516.66

Finding the Fourth Proportional to 531,239.30, 733,088.82 and 289,516.66

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Solution

The fourth proportional to 531,239.30, 733,088.82 and 289,516.66 is: 399,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,239.30 : 733,088.82 = 289,516.66 : x
  2. Step 2: Convert to fraction form
    531,239.30/733,088.82 = 289,516.66/x
  3. Step 3: Cross multiply
    531,239.30x = 733,088.82 × 289,516.66
  4. Step 4: Simplify right side
    531,239.30x = 212,241,426,649.74
  5. Step 5: Solve for x
    x = 212,241,426,649.74/531,239.30
  6. Step 6: Final answer
    x = 399,521.32

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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.