Home / 875,117.40-1,312,676.10-651,168.60

Finding the Fourth Proportional to 875,117.40, 1,312,676.10 and 651,168.60

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Solution

The fourth proportional to 875,117.40, 1,312,676.10 and 651,168.60 is: 976,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,117.40 : 1,312,676.10 = 651,168.60 : x
  2. Step 2: Convert to fraction form
    875,117.40/1,312,676.10 = 651,168.60/x
  3. Step 3: Cross multiply
    875,117.40x = 1,312,676.10 × 651,168.60
  4. Step 4: Simplify right side
    875,117.40x = 854,773,458,290.46
  5. Step 5: Solve for x
    x = 854,773,458,290.46/875,117.40
  6. Step 6: Final answer
    x = 976,752.90

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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.