Home / 1,174,412.76-1,620,680.70-637,872.60

Finding the Fourth Proportional to 1,174,412.76, 1,620,680.70 and 637,872.60

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Solution

The fourth proportional to 1,174,412.76, 1,620,680.70 and 637,872.60 is: 880,259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,412.76 : 1,620,680.70 = 637,872.60 : x
  2. Step 2: Convert to fraction form
    1,174,412.76/1,620,680.70 = 637,872.60/x
  3. Step 3: Cross multiply
    1,174,412.76x = 1,620,680.70 × 637,872.60
  4. Step 4: Simplify right side
    1,174,412.76x = 1,033,787,811,878.82
  5. Step 5: Solve for x
    x = 1,033,787,811,878.82/1,174,412.76
  6. Step 6: Final answer
    x = 880,259.35

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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.