Home / 612,418.87-845,185.34-367,412.83

Finding the Fourth Proportional to 612,418.87, 845,185.34 and 367,412.83

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Solution

The fourth proportional to 612,418.87, 845,185.34 and 367,412.83 is: 507,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,418.87 : 845,185.34 = 367,412.83 : x
  2. Step 2: Convert to fraction form
    612,418.87/845,185.34 = 367,412.83/x
  3. Step 3: Cross multiply
    612,418.87x = 845,185.34 × 367,412.83
  4. Step 4: Simplify right side
    612,418.87x = 310,531,937,643.91
  5. Step 5: Solve for x
    x = 310,531,937,643.91/612,418.87
  6. Step 6: Final answer
    x = 507,058.08

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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.