Home / 810,518.08-1,118,516.28-447,941.83

Finding the Fourth Proportional to 810,518.08, 1,118,516.28 and 447,941.83

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Solution

The fourth proportional to 810,518.08, 1,118,516.28 and 447,941.83 is: 618,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,518.08 : 1,118,516.28 = 447,941.83 : x
  2. Step 2: Convert to fraction form
    810,518.08/1,118,516.28 = 447,941.83/x
  3. Step 3: Cross multiply
    810,518.08x = 1,118,516.28 × 447,941.83
  4. Step 4: Simplify right side
    810,518.08x = 501,030,229,347.99
  5. Step 5: Solve for x
    x = 501,030,229,347.99/810,518.08
  6. Step 6: Final answer
    x = 618,160.46

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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.