Home / 700,930.80-1,052,087.40-346,345.20

Finding the Fourth Proportional to 700,930.80, 1,052,087.40 and 346,345.20

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Solution

The fourth proportional to 700,930.80, 1,052,087.40 and 346,345.20 is: 519,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,930.80 : 1,052,087.40 = 346,345.20 : x
  2. Step 2: Convert to fraction form
    700,930.80/1,052,087.40 = 346,345.20/x
  3. Step 3: Cross multiply
    700,930.80x = 1,052,087.40 × 346,345.20
  4. Step 4: Simplify right side
    700,930.80x = 364,385,420,970.48
  5. Step 5: Solve for x
    x = 364,385,420,970.48/700,930.80
  6. Step 6: Final answer
    x = 519,859.34

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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.