Home / 623,268.40-860,058.69-351,403.10

Finding the Fourth Proportional to 623,268.40, 860,058.69 and 351,403.10

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Solution

The fourth proportional to 623,268.40, 860,058.69 and 351,403.10 is: 484,907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,268.40 : 860,058.69 = 351,403.10 : x
  2. Step 2: Convert to fraction form
    623,268.40/860,058.69 = 351,403.10/x
  3. Step 3: Cross multiply
    623,268.40x = 860,058.69 × 351,403.10
  4. Step 4: Simplify right side
    623,268.40x = 302,227,289,847.94
  5. Step 5: Solve for x
    x = 302,227,289,847.94/623,268.40
  6. Step 6: Final answer
    x = 484,907.13

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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.