Home / 623,895.74-860,976.45-337,415.83

Finding the Fourth Proportional to 623,895.74, 860,976.45 and 337,415.83

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Solution

The fourth proportional to 623,895.74, 860,976.45 and 337,415.83 is: 465,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,895.74 : 860,976.45 = 337,415.83 : x
  2. Step 2: Convert to fraction form
    623,895.74/860,976.45 = 337,415.83/x
  3. Step 3: Cross multiply
    623,895.74x = 860,976.45 × 337,415.83
  4. Step 4: Simplify right side
    623,895.74x = 290,507,081,809.25
  5. Step 5: Solve for x
    x = 290,507,081,809.25/623,895.74
  6. Step 6: Final answer
    x = 465,634.02

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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.