Home / 516,041.33-712,113.39-286,613.28

Finding the Fourth Proportional to 516,041.33, 712,113.39 and 286,613.28

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Solution

The fourth proportional to 516,041.33, 712,113.39 and 286,613.28 is: 395,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,041.33 : 712,113.39 = 286,613.28 : x
  2. Step 2: Convert to fraction form
    516,041.33/712,113.39 = 286,613.28/x
  3. Step 3: Cross multiply
    516,041.33x = 712,113.39 × 286,613.28
  4. Step 4: Simplify right side
    516,041.33x = 204,101,154,439.82
  5. Step 5: Solve for x
    x = 204,101,154,439.82/516,041.33
  6. Step 6: Final answer
    x = 395,513.20

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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.