Home / 1,235,947.34-1,854,926.69-637,079.76

Finding the Fourth Proportional to 1,235,947.34, 1,854,926.69 and 637,079.76

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Solution

The fourth proportional to 1,235,947.34, 1,854,926.69 and 637,079.76 is: 956,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,947.34 : 1,854,926.69 = 637,079.76 : x
  2. Step 2: Convert to fraction form
    1,235,947.34/1,854,926.69 = 637,079.76/x
  3. Step 3: Cross multiply
    1,235,947.34x = 1,854,926.69 × 637,079.76
  4. Step 4: Simplify right side
    1,235,947.34x = 1,181,736,247,297.40
  5. Step 5: Solve for x
    x = 1,181,736,247,297.40/1,235,947.34
  6. Step 6: Final answer
    x = 956,138.02

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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.