Home / 612,583.16-845,240.87-357,885.14

Finding the Fourth Proportional to 612,583.16, 845,240.87 and 357,885.14

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Solution

The fourth proportional to 612,583.16, 845,240.87 and 357,885.14 is: 493,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,583.16 : 845,240.87 = 357,885.14 : x
  2. Step 2: Convert to fraction form
    612,583.16/845,240.87 = 357,885.14/x
  3. Step 3: Cross multiply
    612,583.16x = 845,240.87 × 357,885.14
  4. Step 4: Simplify right side
    612,583.16x = 302,499,143,762.18
  5. Step 5: Solve for x
    x = 302,499,143,762.18/612,583.16
  6. Step 6: Final answer
    x = 493,809.11

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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.