Home / 825,339.06-1,139,205.96-534,940.74

Finding the Fourth Proportional to 825,339.06, 1,139,205.96 and 534,940.74

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Solution

The fourth proportional to 825,339.06, 1,139,205.96 and 534,940.74 is: 738,372.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,339.06 : 1,139,205.96 = 534,940.74 : x
  2. Step 2: Convert to fraction form
    825,339.06/1,139,205.96 = 534,940.74/x
  3. Step 3: Cross multiply
    825,339.06x = 1,139,205.96 × 534,940.74
  4. Step 4: Simplify right side
    825,339.06x = 609,407,679,254.81
  5. Step 5: Solve for x
    x = 609,407,679,254.81/825,339.06
  6. Step 6: Final answer
    x = 738,372.52

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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.