Home / 875,219.70-1,312,829.55-744,582.90

Finding the Fourth Proportional to 875,219.70, 1,312,829.55 and 744,582.90

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Solution

The fourth proportional to 875,219.70, 1,312,829.55 and 744,582.90 is: 1,116,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,219.70 : 1,312,829.55 = 744,582.90 : x
  2. Step 2: Convert to fraction form
    875,219.70/1,312,829.55 = 744,582.90/x
  3. Step 3: Cross multiply
    875,219.70x = 1,312,829.55 × 744,582.90
  4. Step 4: Simplify right side
    875,219.70x = 977,510,433,544.70
  5. Step 5: Solve for x
    x = 977,510,433,544.70/875,219.70
  6. Step 6: Final answer
    x = 1,116,874.35

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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.