Home / 623,726.91-860,742.59-337,246.38

Finding the Fourth Proportional to 623,726.91, 860,742.59 and 337,246.38

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Solution

The fourth proportional to 623,726.91, 860,742.59 and 337,246.38 is: 465,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,726.91 : 860,742.59 = 337,246.38 : x
  2. Step 2: Convert to fraction form
    623,726.91/860,742.59 = 337,246.38/x
  3. Step 3: Cross multiply
    623,726.91x = 860,742.59 × 337,246.38
  4. Step 4: Simplify right side
    623,726.91x = 290,282,320,903.09
  5. Step 5: Solve for x
    x = 290,282,320,903.09/623,726.91
  6. Step 6: Final answer
    x = 465,399.71

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1.5x scale

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.