Home / 670,342.30-1,004,167.16-310,008.08

Finding the Fourth Proportional to 670,342.30, 1,004,167.16 and 310,008.08

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Solution

The fourth proportional to 670,342.30, 1,004,167.16 and 310,008.08 is: 464,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,342.30 : 1,004,167.16 = 310,008.08 : x
  2. Step 2: Convert to fraction form
    670,342.30/1,004,167.16 = 310,008.08/x
  3. Step 3: Cross multiply
    670,342.30x = 1,004,167.16 × 310,008.08
  4. Step 4: Simplify right side
    670,342.30x = 311,299,926,699.78
  5. Step 5: Solve for x
    x = 311,299,926,699.78/670,342.30
  6. Step 6: Final answer
    x = 464,389.50

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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.