Home / 1,913,878.53-2,870,722.41-715,712.76

Finding the Fourth Proportional to 1,913,878.53, 2,870,722.41 and 715,712.76

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Solution

The fourth proportional to 1,913,878.53, 2,870,722.41 and 715,712.76 is: 1,073,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,878.53 : 2,870,722.41 = 715,712.76 : x
  2. Step 2: Convert to fraction form
    1,913,878.53/2,870,722.41 = 715,712.76/x
  3. Step 3: Cross multiply
    1,913,878.53x = 2,870,722.41 × 715,712.76
  4. Step 4: Simplify right side
    1,913,878.53x = 2,054,612,659,254.95
  5. Step 5: Solve for x
    x = 2,054,612,659,254.95/1,913,878.53
  6. Step 6: Final answer
    x = 1,073,533.47

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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.