Home / 939,816.45-1,296,948.17-510,096.76

Finding the Fourth Proportional to 939,816.45, 1,296,948.17 and 510,096.76

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Solution

The fourth proportional to 939,816.45, 1,296,948.17 and 510,096.76 is: 703,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,816.45 : 1,296,948.17 = 510,096.76 : x
  2. Step 2: Convert to fraction form
    939,816.45/1,296,948.17 = 510,096.76/x
  3. Step 3: Cross multiply
    939,816.45x = 1,296,948.17 × 510,096.76
  4. Step 4: Simplify right side
    939,816.45x = 661,569,057,437.80
  5. Step 5: Solve for x
    x = 661,569,057,437.80/939,816.45
  6. Step 6: Final answer
    x = 703,934.32

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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.