Home / 516,423.41-712,618.93-286,966.16

Finding the Fourth Proportional to 516,423.41, 712,618.93 and 286,966.16

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Solution

The fourth proportional to 516,423.41, 712,618.93 and 286,966.16 is: 395,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,423.41 : 712,618.93 = 286,966.16 : x
  2. Step 2: Convert to fraction form
    516,423.41/712,618.93 = 286,966.16/x
  3. Step 3: Cross multiply
    516,423.41x = 712,618.93 × 286,966.16
  4. Step 4: Simplify right side
    516,423.41x = 204,497,515,739.16
  5. Step 5: Solve for x
    x = 204,497,515,739.16/516,423.41
  6. Step 6: Final answer
    x = 395,988.08

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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.