Home / 587,444.16-811,056.96-369,969.60

Finding the Fourth Proportional to 587,444.16, 811,056.96 and 369,969.60

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Solution

The fourth proportional to 587,444.16, 811,056.96 and 369,969.60 is: 510,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,444.16 : 811,056.96 = 369,969.60 : x
  2. Step 2: Convert to fraction form
    587,444.16/811,056.96 = 369,969.60/x
  3. Step 3: Cross multiply
    587,444.16x = 811,056.96 × 369,969.60
  4. Step 4: Simplify right side
    587,444.16x = 300,066,419,068.42
  5. Step 5: Solve for x
    x = 300,066,419,068.42/587,444.16
  6. Step 6: Final answer
    x = 510,799.90

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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.