Home / 1,117,853.10-1,561,451.40-1,117,853.10

Finding the Fourth Proportional to 1,117,853.10, 1,561,451.40 and 1,117,853.10

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Solution

The fourth proportional to 1,117,853.10, 1,561,451.40 and 1,117,853.10 is: 1,561,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,853.10 : 1,561,451.40 = 1,117,853.10 : x
  2. Step 2: Convert to fraction form
    1,117,853.10/1,561,451.40 = 1,117,853.10/x
  3. Step 3: Cross multiply
    1,117,853.10x = 1,561,451.40 × 1,117,853.10
  4. Step 4: Simplify right side
    1,117,853.10x = 1,745,473,287,989.34
  5. Step 5: Solve for x
    x = 1,745,473,287,989.34/1,117,853.10
  6. Step 6: Final answer
    x = 1,561,451.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.