Home / 690,964.32-953,094.42-475,730.58

Finding the Fourth Proportional to 690,964.32, 953,094.42 and 475,730.58

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Solution

The fourth proportional to 690,964.32, 953,094.42 and 475,730.58 is: 656,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,964.32 : 953,094.42 = 475,730.58 : x
  2. Step 2: Convert to fraction form
    690,964.32/953,094.42 = 475,730.58/x
  3. Step 3: Cross multiply
    690,964.32x = 953,094.42 × 475,730.58
  4. Step 4: Simplify right side
    690,964.32x = 453,416,161,221.36
  5. Step 5: Solve for x
    x = 453,416,161,221.36/690,964.32
  6. Step 6: Final answer
    x = 656,207.78

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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.