Home / 623,731.25-860,747.95-351,798.32

Finding the Fourth Proportional to 623,731.25, 860,747.95 and 351,798.32

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Solution

The fourth proportional to 623,731.25, 860,747.95 and 351,798.32 is: 485,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,731.25 : 860,747.95 = 351,798.32 : x
  2. Step 2: Convert to fraction form
    623,731.25/860,747.95 = 351,798.32/x
  3. Step 3: Cross multiply
    623,731.25x = 860,747.95 × 351,798.32
  4. Step 4: Simplify right side
    623,731.25x = 302,809,685,345.06
  5. Step 5: Solve for x
    x = 302,809,685,345.06/623,731.25
  6. Step 6: Final answer
    x = 485,481.02

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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.