Home / 651,246.03-899,158.39-406,603.65

Finding the Fourth Proportional to 651,246.03, 899,158.39 and 406,603.65

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Solution

The fourth proportional to 651,246.03, 899,158.39 and 406,603.65 is: 561,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,246.03 : 899,158.39 = 406,603.65 : x
  2. Step 2: Convert to fraction form
    651,246.03/899,158.39 = 406,603.65/x
  3. Step 3: Cross multiply
    651,246.03x = 899,158.39 × 406,603.65
  4. Step 4: Simplify right side
    651,246.03x = 365,601,084,533.51
  5. Step 5: Solve for x
    x = 365,601,084,533.51/651,246.03
  6. Step 6: Final answer
    x = 561,387.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.