Home / 907,725.42-1,252,650.96-499,819.14

Finding the Fourth Proportional to 907,725.42, 1,252,650.96 and 499,819.14

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Solution

The fourth proportional to 907,725.42, 1,252,650.96 and 499,819.14 is: 689,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,725.42 : 1,252,650.96 = 499,819.14 : x
  2. Step 2: Convert to fraction form
    907,725.42/1,252,650.96 = 499,819.14/x
  3. Step 3: Cross multiply
    907,725.42x = 1,252,650.96 × 499,819.14
  4. Step 4: Simplify right side
    907,725.42x = 626,098,925,547.37
  5. Step 5: Solve for x
    x = 626,098,925,547.37/907,725.42
  6. Step 6: Final answer
    x = 689,744.84

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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.