Home / 623,435.64-860,323.95-351,501.15

Finding the Fourth Proportional to 623,435.64, 860,323.95 and 351,501.15

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Solution

The fourth proportional to 623,435.64, 860,323.95 and 351,501.15 is: 485,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,435.64 : 860,323.95 = 351,501.15 : x
  2. Step 2: Convert to fraction form
    623,435.64/860,323.95 = 351,501.15/x
  3. Step 3: Cross multiply
    623,435.64x = 860,323.95 × 351,501.15
  4. Step 4: Simplify right side
    623,435.64x = 302,404,857,797.54
  5. Step 5: Solve for x
    x = 302,404,857,797.54/623,435.64
  6. Step 6: Final answer
    x = 485,061.87

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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.