Home / 739,841.74-1,109,811.83-260,011.51

Finding the Fourth Proportional to 739,841.74, 1,109,811.83 and 260,011.51

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Solution

The fourth proportional to 739,841.74, 1,109,811.83 and 260,011.51 is: 390,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,841.74 : 1,109,811.83 = 260,011.51 : x
  2. Step 2: Convert to fraction form
    739,841.74/1,109,811.83 = 260,011.51/x
  3. Step 3: Cross multiply
    739,841.74x = 1,109,811.83 × 260,011.51
  4. Step 4: Simplify right side
    739,841.74x = 288,563,849,734.16
  5. Step 5: Solve for x
    x = 288,563,849,734.16/739,841.74
  6. Step 6: Final answer
    x = 390,034.56

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1.5x scale

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.