Home / 854,164.50-1,178,644.68-472,139.34

Finding the Fourth Proportional to 854,164.50, 1,178,644.68 and 472,139.34

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Solution

The fourth proportional to 854,164.50, 1,178,644.68 and 472,139.34 is: 651,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,164.50 : 1,178,644.68 = 472,139.34 : x
  2. Step 2: Convert to fraction form
    854,164.50/1,178,644.68 = 472,139.34/x
  3. Step 3: Cross multiply
    854,164.50x = 1,178,644.68 × 472,139.34
  4. Step 4: Simplify right side
    854,164.50x = 556,484,521,309.71
  5. Step 5: Solve for x
    x = 556,484,521,309.71/854,164.50
  6. Step 6: Final answer
    x = 651,495.73

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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.