Home / 513,156.15-708,190.16-298,295.55

Finding the Fourth Proportional to 513,156.15, 708,190.16 and 298,295.55

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Solution

The fourth proportional to 513,156.15, 708,190.16 and 298,295.55 is: 411,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,156.15 : 708,190.16 = 298,295.55 : x
  2. Step 2: Convert to fraction form
    513,156.15/708,190.16 = 298,295.55/x
  3. Step 3: Cross multiply
    513,156.15x = 708,190.16 × 298,295.55
  4. Step 4: Simplify right side
    513,156.15x = 211,249,971,790.31
  5. Step 5: Solve for x
    x = 211,249,971,790.31/513,156.15
  6. Step 6: Final answer
    x = 411,668.01

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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.