Home / 758,008.71-1,045,932.84-435,656.55

Finding the Fourth Proportional to 758,008.71, 1,045,932.84 and 435,656.55

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Solution

The fourth proportional to 758,008.71, 1,045,932.84 and 435,656.55 is: 601,137.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,008.71 : 1,045,932.84 = 435,656.55 : x
  2. Step 2: Convert to fraction form
    758,008.71/1,045,932.84 = 435,656.55/x
  3. Step 3: Cross multiply
    758,008.71x = 1,045,932.84 × 435,656.55
  4. Step 4: Simplify right side
    758,008.71x = 455,667,492,606.10
  5. Step 5: Solve for x
    x = 455,667,492,606.10/758,008.71
  6. Step 6: Final answer
    x = 601,137.54

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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.