Home / 866,157.32-1,195,248.62-478,950.32

Finding the Fourth Proportional to 866,157.32, 1,195,248.62 and 478,950.32

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Solution

The fourth proportional to 866,157.32, 1,195,248.62 and 478,950.32 is: 660,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,157.32 : 1,195,248.62 = 478,950.32 : x
  2. Step 2: Convert to fraction form
    866,157.32/1,195,248.62 = 478,950.32/x
  3. Step 3: Cross multiply
    866,157.32x = 1,195,248.62 × 478,950.32
  4. Step 4: Simplify right side
    866,157.32x = 572,464,709,028.56
  5. Step 5: Solve for x
    x = 572,464,709,028.56/866,157.32
  6. Step 6: Final answer
    x = 660,924.63

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Double scale
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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.