Home / 586,839.60-880,586.38-316,962.28

Finding the Fourth Proportional to 586,839.60, 880,586.38 and 316,962.28

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Solution

The fourth proportional to 586,839.60, 880,586.38 and 316,962.28 is: 475,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,839.60 : 880,586.38 = 316,962.28 : x
  2. Step 2: Convert to fraction form
    586,839.60/880,586.38 = 316,962.28/x
  3. Step 3: Cross multiply
    586,839.60x = 880,586.38 × 316,962.28
  4. Step 4: Simplify right side
    586,839.60x = 279,112,666,741.75
  5. Step 5: Solve for x
    x = 279,112,666,741.75/586,839.60
  6. Step 6: Final answer
    x = 475,620.03

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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.