Home / 1,072,116.32-1,479,520.52-619,407.32

Finding the Fourth Proportional to 1,072,116.32, 1,479,520.52 and 619,407.32

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Solution

The fourth proportional to 1,072,116.32, 1,479,520.52 and 619,407.32 is: 854,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,116.32 : 1,479,520.52 = 619,407.32 : x
  2. Step 2: Convert to fraction form
    1,072,116.32/1,479,520.52 = 619,407.32/x
  3. Step 3: Cross multiply
    1,072,116.32x = 1,479,520.52 × 619,407.32
  4. Step 4: Simplify right side
    1,072,116.32x = 916,425,840,178.21
  5. Step 5: Solve for x
    x = 916,425,840,178.21/1,072,116.32
  6. Step 6: Final answer
    x = 854,782.10

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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.