Home / 1,246,140.90-1,869,211.35-404,777.70

Finding the Fourth Proportional to 1,246,140.90, 1,869,211.35 and 404,777.70

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Solution

The fourth proportional to 1,246,140.90, 1,869,211.35 and 404,777.70 is: 607,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,140.90 : 1,869,211.35 = 404,777.70 : x
  2. Step 2: Convert to fraction form
    1,246,140.90/1,869,211.35 = 404,777.70/x
  3. Step 3: Cross multiply
    1,246,140.90x = 1,869,211.35 × 404,777.70
  4. Step 4: Simplify right side
    1,246,140.90x = 756,615,071,066.90
  5. Step 5: Solve for x
    x = 756,615,071,066.90/1,246,140.90
  6. Step 6: Final answer
    x = 607,166.55

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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.