Home / 1,657,461.10-2,486,191.65-858,987.40

Finding the Fourth Proportional to 1,657,461.10, 2,486,191.65 and 858,987.40

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Solution

The fourth proportional to 1,657,461.10, 2,486,191.65 and 858,987.40 is: 1,288,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,461.10 : 2,486,191.65 = 858,987.40 : x
  2. Step 2: Convert to fraction form
    1,657,461.10/2,486,191.65 = 858,987.40/x
  3. Step 3: Cross multiply
    1,657,461.10x = 2,486,191.65 × 858,987.40
  4. Step 4: Simplify right side
    1,657,461.10x = 2,135,607,301,335.21
  5. Step 5: Solve for x
    x = 2,135,607,301,335.21/1,657,461.10
  6. Step 6: Final answer
    x = 1,288,481.10

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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.