Home / 516,011.04-712,071.14-286,583.18

Finding the Fourth Proportional to 516,011.04, 712,071.14 and 286,583.18

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Solution

The fourth proportional to 516,011.04, 712,071.14 and 286,583.18 is: 395,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,011.04 : 712,071.14 = 286,583.18 : x
  2. Step 2: Convert to fraction form
    516,011.04/712,071.14 = 286,583.18/x
  3. Step 3: Cross multiply
    516,011.04x = 712,071.14 × 286,583.18
  4. Step 4: Simplify right side
    516,011.04x = 204,067,606,694.15
  5. Step 5: Solve for x
    x = 204,067,606,694.15/516,011.04
  6. Step 6: Final answer
    x = 395,471.40

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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.