Home / 586,066.12-879,231.75-186,729.64

Finding the Fourth Proportional to 586,066.12, 879,231.75 and 186,729.64

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Solution

The fourth proportional to 586,066.12, 879,231.75 and 186,729.64 is: 280,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,066.12 : 879,231.75 = 186,729.64 : x
  2. Step 2: Convert to fraction form
    586,066.12/879,231.75 = 186,729.64/x
  3. Step 3: Cross multiply
    586,066.12x = 879,231.75 × 186,729.64
  4. Step 4: Simplify right side
    586,066.12x = 164,178,628,154.07
  5. Step 5: Solve for x
    x = 164,178,628,154.07/586,066.12
  6. Step 6: Final answer
    x = 280,136.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.