Home / 1,869,060.74-2,803,550.86-521,187.42

Finding the Fourth Proportional to 1,869,060.74, 2,803,550.86 and 521,187.42

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Solution

The fourth proportional to 1,869,060.74, 2,803,550.86 and 521,187.42 is: 781,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,060.74 : 2,803,550.86 = 521,187.42 : x
  2. Step 2: Convert to fraction form
    1,869,060.74/2,803,550.86 = 521,187.42/x
  3. Step 3: Cross multiply
    1,869,060.74x = 2,803,550.86 × 521,187.42
  4. Step 4: Simplify right side
    1,869,060.74x = 1,461,175,447,795.30
  5. Step 5: Solve for x
    x = 1,461,175,447,795.30/1,869,060.74
  6. Step 6: Final answer
    x = 781,769.91

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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.