Home / 516,575.04-712,886.76-283,999.16

Finding the Fourth Proportional to 516,575.04, 712,886.76 and 283,999.16

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Solution

The fourth proportional to 516,575.04, 712,886.76 and 283,999.16 is: 391,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,575.04 : 712,886.76 = 283,999.16 : x
  2. Step 2: Convert to fraction form
    516,575.04/712,886.76 = 283,999.16/x
  3. Step 3: Cross multiply
    516,575.04x = 712,886.76 × 283,999.16
  4. Step 4: Simplify right side
    516,575.04x = 202,459,241,015.12
  5. Step 5: Solve for x
    x = 202,459,241,015.12/516,575.04
  6. Step 6: Final answer
    x = 391,926.10

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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.