Home / 736,240.11-1,016,191.77-450,000.15

Finding the Fourth Proportional to 736,240.11, 1,016,191.77 and 450,000.15

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Solution

The fourth proportional to 736,240.11, 1,016,191.77 and 450,000.15 is: 621,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,240.11 : 1,016,191.77 = 450,000.15 : x
  2. Step 2: Convert to fraction form
    736,240.11/1,016,191.77 = 450,000.15/x
  3. Step 3: Cross multiply
    736,240.11x = 1,016,191.77 × 450,000.15
  4. Step 4: Simplify right side
    736,240.11x = 457,286,443,430.55
  5. Step 5: Solve for x
    x = 457,286,443,430.55/736,240.11
  6. Step 6: Final answer
    x = 621,110.48

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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.