Home / 714,552.16-1,071,012.90-287,814.84

Finding the Fourth Proportional to 714,552.16, 1,071,012.90 and 287,814.84

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Solution

The fourth proportional to 714,552.16, 1,071,012.90 and 287,814.84 is: 431,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,552.16 : 1,071,012.90 = 287,814.84 : x
  2. Step 2: Convert to fraction form
    714,552.16/1,071,012.90 = 287,814.84/x
  3. Step 3: Cross multiply
    714,552.16x = 1,071,012.90 × 287,814.84
  4. Step 4: Simplify right side
    714,552.16x = 308,253,406,451.44
  5. Step 5: Solve for x
    x = 308,253,406,451.44/714,552.16
  6. Step 6: Final answer
    x = 431,393.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.