Home / 934,172.18-1,289,161.55-526,278.92

Finding the Fourth Proportional to 934,172.18, 1,289,161.55 and 526,278.92

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Solution

The fourth proportional to 934,172.18, 1,289,161.55 and 526,278.92 is: 726,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,172.18 : 1,289,161.55 = 526,278.92 : x
  2. Step 2: Convert to fraction form
    934,172.18/1,289,161.55 = 526,278.92/x
  3. Step 3: Cross multiply
    934,172.18x = 1,289,161.55 × 526,278.92
  4. Step 4: Simplify right side
    934,172.18x = 678,458,539,162.32
  5. Step 5: Solve for x
    x = 678,458,539,162.32/934,172.18
  6. Step 6: Final answer
    x = 726,267.12

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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.