Home / 516,016.29-712,082.95-286,588.35

Finding the Fourth Proportional to 516,016.29, 712,082.95 and 286,588.35

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Solution

The fourth proportional to 516,016.29, 712,082.95 and 286,588.35 is: 395,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,016.29 : 712,082.95 = 286,588.35 : x
  2. Step 2: Convert to fraction form
    516,016.29/712,082.95 = 286,588.35/x
  3. Step 3: Cross multiply
    516,016.29x = 712,082.95 × 286,588.35
  4. Step 4: Simplify right side
    516,016.29x = 204,074,677,703.63
  5. Step 5: Solve for x
    x = 204,074,677,703.63/516,016.29
  6. Step 6: Final answer
    x = 395,481.08

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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.