Home / 736,102.08-1,015,821-413,812.80

Finding the Fourth Proportional to 736,102.08, 1,015,821 and 413,812.80

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Solution

The fourth proportional to 736,102.08, 1,015,821 and 413,812.80 is: 571,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,102.08 : 1,015,821 = 413,812.80 : x
  2. Step 2: Convert to fraction form
    736,102.08/1,015,821 = 413,812.80/x
  3. Step 3: Cross multiply
    736,102.08x = 1,015,821 × 413,812.80
  4. Step 4: Simplify right side
    736,102.08x = 420,359,732,308.80
  5. Step 5: Solve for x
    x = 420,359,732,308.80/736,102.08
  6. Step 6: Final answer
    x = 571,061.74

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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.