Home / 1,066,539.08-1,600,211.54-640,372.06

Finding the Fourth Proportional to 1,066,539.08, 1,600,211.54 and 640,372.06

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Solution

The fourth proportional to 1,066,539.08, 1,600,211.54 and 640,372.06 is: 960,800.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,539.08 : 1,600,211.54 = 640,372.06 : x
  2. Step 2: Convert to fraction form
    1,066,539.08/1,600,211.54 = 640,372.06/x
  3. Step 3: Cross multiply
    1,066,539.08x = 1,600,211.54 × 640,372.06
  4. Step 4: Simplify right side
    1,066,539.08x = 1,024,730,758,304.41
  5. Step 5: Solve for x
    x = 1,024,730,758,304.41/1,066,539.08
  6. Step 6: Final answer
    x = 960,800.01

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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.