Home / 1,609,117.12-2,220,595.72-883,979.60

Finding the Fourth Proportional to 1,609,117.12, 2,220,595.72 and 883,979.60

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Solution

The fourth proportional to 1,609,117.12, 2,220,595.72 and 883,979.60 is: 1,219,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,117.12 : 2,220,595.72 = 883,979.60 : x
  2. Step 2: Convert to fraction form
    1,609,117.12/2,220,595.72 = 883,979.60/x
  3. Step 3: Cross multiply
    1,609,117.12x = 2,220,595.72 × 883,979.60
  4. Step 4: Simplify right side
    1,609,117.12x = 1,962,961,316,327.31
  5. Step 5: Solve for x
    x = 1,962,961,316,327.31/1,609,117.12
  6. Step 6: Final answer
    x = 1,219,899.59

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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.